1801828000

素因数分解:

$2^5\times 5^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:385

約数の個数: 288

約数和(自身を含む): 5344269840

約数和(自身を除く): 3542441840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 32, 35, 40, 49, 50, 56, 58, 70, 80, 98, 100, 112, 116, 125, 140, 145, 160, 175, 196, 200, 203, 224, 232, 245, 250, 280, 290, 317, 350, 392, 400, 406, 464, 490, 500, 560, 580, 634, 700, 725, 784, 800, 812, 875, 928, 980, 1000, 1015, 1120, 1160, 1225, 1268, 1400, 1421, 1450, 1568, 1585, 1624, 1750, 1960, 2000, 2030, 2219, 2320, 2450, 2536, 2800, 2842, 2900, 3170, 3248, 3500, 3625, 3920, 4000, 4060, 4438, 4640, 4900, 5072, 5075, 5600, 5684, 5800, 6125, 6340, 6496, 7000, 7105, 7250, 7840, 7925, 8120, 8876, 9193, 9800, 10144, 10150, 11095, 11368, 11600, 12250, 12680, 14000, 14210, 14500, 15533, 15850, 16240, 17752, 18386, 19600, 20300, 22190, 22736, 23200, 24500, 25360, 25375, 28000, 28420, 29000, 31066, 31700, 32480, 35504, 35525, 36772, 39200, 39625, 40600, 44380, 45472, 45965, 49000, 50720, 50750, 55475, 56840, 58000, 62132, 63400, 64351, 71008, 71050, 73544, 77665, 79250, 81200, 88760, 91930, 98000, 101500, 110950, 113680, 116000, 124264, 126800, 128702, 142100, 147088, 155330, 158500, 162400, 177520, 177625, 183860, 196000, 203000, 221900, 227360, 229825, 248528, 253600, 257404, 277375, 284200, 294176, 310660, 317000, 321755, 355040, 355250, 367720, 388325, 406000, 443800, 450457, 459650, 497056, 514808, 554750, 568400, 621320, 634000, 643510, 710500, 735440, 776650, 812000, 887600, 900914, 919300, 1029616, 1109500, 1136800, 1149125, 1242640, 1268000, 1287020, 1421000, 1470880, 1553300, 1608775, 1775200, 1801828, 1838600, 1941625, 2059232, 2219000, 2252285, 2298250, 2485280, 2574040, 2842000, 3106600, 3217550, 3603656, 3677200, 3883250, 4438000, 4504570, 4596500, 5148080, 5684000, 6213200, 6435100, 7207312, 7354400, 7766500, 8043875, 8876000, 9009140, 9193000, 10296160, 11261425, 12426400, 12870200, 14414624, 15533000, 16087750, 18018280, 18386000, 22522850, 25740400, 31066000, 32175500, 36036560, 36772000, 45045700, 51480800, 56307125, 62132000, 64351000, 72073120, 90091400, 112614250, 128702000, 180182800, 225228500, 257404000, 360365600, 450457000, 900914000, 1801828000]

約数ペア:

[(1, 1801828000), (2, 900914000), (4, 450457000), (5, 360365600), (7, 257404000), (8, 225228500), (10, 180182800), (14, 128702000), (16, 112614250), (20, 90091400), (25, 72073120), (28, 64351000), (29, 62132000), (32, 56307125), (35, 51480800), (40, 45045700), (49, 36772000), (50, 36036560), (56, 32175500), (58, 31066000), (70, 25740400), (80, 22522850), (98, 18386000), (100, 18018280), (112, 16087750), (116, 15533000), (125, 14414624), (140, 12870200), (145, 12426400), (160, 11261425), (175, 10296160), (196, 9193000), (200, 9009140), (203, 8876000), (224, 8043875), (232, 7766500), (245, 7354400), (250, 7207312), (280, 6435100), (290, 6213200), (317, 5684000), (350, 5148080), (392, 4596500), (400, 4504570), (406, 4438000), (464, 3883250), (490, 3677200), (500, 3603656), (560, 3217550), (580, 3106600), (634, 2842000), (700, 2574040), (725, 2485280), (784, 2298250), (800, 2252285), (812, 2219000), (875, 2059232), (928, 1941625), (980, 1838600), (1000, 1801828), (1015, 1775200), (1120, 1608775), (1160, 1553300), (1225, 1470880), (1268, 1421000), (1400, 1287020), (1421, 1268000), (1450, 1242640), (1568, 1149125), (1585, 1136800), (1624, 1109500), (1750, 1029616), (1960, 919300), (2000, 900914), (2030, 887600), (2219, 812000), (2320, 776650), (2450, 735440), (2536, 710500), (2800, 643510), (2842, 634000), (2900, 621320), (3170, 568400), (3248, 554750), (3500, 514808), (3625, 497056), (3920, 459650), (4000, 450457), (4060, 443800), (4438, 406000), (4640, 388325), (4900, 367720), (5072, 355250), (5075, 355040), (5600, 321755), (5684, 317000), (5800, 310660), (6125, 294176), (6340, 284200), (6496, 277375), (7000, 257404), (7105, 253600), (7250, 248528), (7840, 229825), (7925, 227360), (8120, 221900), (8876, 203000), (9193, 196000), (9800, 183860), (10144, 177625), (10150, 177520), (11095, 162400), (11368, 158500), (11600, 155330), (12250, 147088), (12680, 142100), (14000, 128702), (14210, 126800), (14500, 124264), (15533, 116000), (15850, 113680), (16240, 110950), (17752, 101500), (18386, 98000), (19600, 91930), (20300, 88760), (22190, 81200), (22736, 79250), (23200, 77665), (24500, 73544), (25360, 71050), (25375, 71008), (28000, 64351), (28420, 63400), (29000, 62132), (31066, 58000), (31700, 56840), (32480, 55475), (35504, 50750), (35525, 50720), (36772, 49000), (39200, 45965), (39625, 45472), (40600, 44380)]