28441000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 80870400

約数和(自身を除く): 52429400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 40, 50, 56, 68, 70, 85, 100, 119, 125, 136, 140, 170, 175, 200, 238, 239, 250, 280, 340, 350, 425, 476, 478, 500, 595, 680, 700, 850, 875, 952, 956, 1000, 1190, 1195, 1400, 1673, 1700, 1750, 1912, 2125, 2380, 2390, 2975, 3346, 3400, 3500, 4063, 4250, 4760, 4780, 5950, 5975, 6692, 7000, 8126, 8365, 8500, 9560, 11900, 11950, 13384, 14875, 16252, 16730, 17000, 20315, 23800, 23900, 28441, 29750, 29875, 32504, 33460, 40630, 41825, 47800, 56882, 59500, 59750, 66920, 81260, 83650, 101575, 113764, 119000, 119500, 142205, 162520, 167300, 203150, 209125, 227528, 239000, 284410, 334600, 406300, 418250, 507875, 568820, 711025, 812600, 836500, 1015750, 1137640, 1422050, 1673000, 2031500, 2844100, 3555125, 4063000, 5688200, 7110250, 14220500, 28441000]

約数ペア:

[(1, 28441000), (2, 14220500), (4, 7110250), (5, 5688200), (7, 4063000), (8, 3555125), (10, 2844100), (14, 2031500), (17, 1673000), (20, 1422050), (25, 1137640), (28, 1015750), (34, 836500), (35, 812600), (40, 711025), (50, 568820), (56, 507875), (68, 418250), (70, 406300), (85, 334600), (100, 284410), (119, 239000), (125, 227528), (136, 209125), (140, 203150), (170, 167300), (175, 162520), (200, 142205), (238, 119500), (239, 119000), (250, 113764), (280, 101575), (340, 83650), (350, 81260), (425, 66920), (476, 59750), (478, 59500), (500, 56882), (595, 47800), (680, 41825), (700, 40630), (850, 33460), (875, 32504), (952, 29875), (956, 29750), (1000, 28441), (1190, 23900), (1195, 23800), (1400, 20315), (1673, 17000), (1700, 16730), (1750, 16252), (1912, 14875), (2125, 13384), (2380, 11950), (2390, 11900), (2975, 9560), (3346, 8500), (3400, 8365), (3500, 8126), (4063, 7000), (4250, 6692), (4760, 5975), (4780, 5950)]