28927500

素因数分解:

$2^2\times 3^1\times 5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:82

約数の個数: 240

約数和(自身を含む): 104966400

約数和(自身を除く): 76038900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 29, 30, 35, 38, 42, 50, 57, 58, 60, 70, 75, 76, 84, 87, 95, 100, 105, 114, 116, 125, 133, 140, 145, 150, 174, 175, 190, 203, 210, 228, 250, 266, 285, 290, 300, 348, 350, 375, 380, 399, 406, 420, 435, 475, 500, 525, 532, 551, 570, 580, 609, 625, 665, 700, 725, 750, 798, 812, 870, 875, 950, 1015, 1050, 1102, 1140, 1218, 1250, 1330, 1425, 1450, 1500, 1596, 1653, 1740, 1750, 1875, 1900, 1995, 2030, 2100, 2175, 2204, 2375, 2436, 2500, 2625, 2660, 2755, 2850, 2900, 3045, 3306, 3325, 3500, 3625, 3750, 3857, 3990, 4060, 4350, 4375, 4750, 5075, 5250, 5510, 5700, 6090, 6612, 6650, 7125, 7250, 7500, 7714, 7980, 8265, 8700, 8750, 9500, 9975, 10150, 10500, 10875, 11020, 11571, 11875, 12180, 13125, 13300, 13775, 14250, 14500, 15225, 15428, 16530, 16625, 17500, 18125, 19285, 19950, 20300, 21750, 23142, 23750, 25375, 26250, 27550, 28500, 30450, 33060, 33250, 35625, 36250, 38570, 39900, 41325, 43500, 46284, 47500, 49875, 50750, 52500, 54375, 55100, 57855, 60900, 66500, 68875, 71250, 72500, 76125, 77140, 82650, 83125, 96425, 99750, 101500, 108750, 115710, 126875, 137750, 142500, 152250, 165300, 166250, 192850, 199500, 206625, 217500, 231420, 249375, 253750, 275500, 289275, 304500, 332500, 344375, 380625, 385700, 413250, 482125, 498750, 507500, 578550, 688750, 761250, 826500, 964250, 997500, 1033125, 1157100, 1377500, 1446375, 1522500, 1928500, 2066250, 2410625, 2892750, 4132500, 4821250, 5785500, 7231875, 9642500, 14463750, 28927500]

約数ペア:

[(1, 28927500), (2, 14463750), (3, 9642500), (4, 7231875), (5, 5785500), (6, 4821250), (7, 4132500), (10, 2892750), (12, 2410625), (14, 2066250), (15, 1928500), (19, 1522500), (20, 1446375), (21, 1377500), (25, 1157100), (28, 1033125), (29, 997500), (30, 964250), (35, 826500), (38, 761250), (42, 688750), (50, 578550), (57, 507500), (58, 498750), (60, 482125), (70, 413250), (75, 385700), (76, 380625), (84, 344375), (87, 332500), (95, 304500), (100, 289275), (105, 275500), (114, 253750), (116, 249375), (125, 231420), (133, 217500), (140, 206625), (145, 199500), (150, 192850), (174, 166250), (175, 165300), (190, 152250), (203, 142500), (210, 137750), (228, 126875), (250, 115710), (266, 108750), (285, 101500), (290, 99750), (300, 96425), (348, 83125), (350, 82650), (375, 77140), (380, 76125), (399, 72500), (406, 71250), (420, 68875), (435, 66500), (475, 60900), (500, 57855), (525, 55100), (532, 54375), (551, 52500), (570, 50750), (580, 49875), (609, 47500), (625, 46284), (665, 43500), (700, 41325), (725, 39900), (750, 38570), (798, 36250), (812, 35625), (870, 33250), (875, 33060), (950, 30450), (1015, 28500), (1050, 27550), (1102, 26250), (1140, 25375), (1218, 23750), (1250, 23142), (1330, 21750), (1425, 20300), (1450, 19950), (1500, 19285), (1596, 18125), (1653, 17500), (1740, 16625), (1750, 16530), (1875, 15428), (1900, 15225), (1995, 14500), (2030, 14250), (2100, 13775), (2175, 13300), (2204, 13125), (2375, 12180), (2436, 11875), (2500, 11571), (2625, 11020), (2660, 10875), (2755, 10500), (2850, 10150), (2900, 9975), (3045, 9500), (3306, 8750), (3325, 8700), (3500, 8265), (3625, 7980), (3750, 7714), (3857, 7500), (3990, 7250), (4060, 7125), (4350, 6650), (4375, 6612), (4750, 6090), (5075, 5700), (5250, 5510)]