256970000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{3671}}^1$

素因数の和:3706

約数の個数: 100

約数和(自身を含む): 711222336

約数和(自身を除く): 454252336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 625, 700, 875, 1000, 1250, 1400, 1750, 2000, 2500, 2800, 3500, 3671, 4375, 5000, 7000, 7342, 8750, 10000, 14000, 14684, 17500, 18355, 25697, 29368, 35000, 36710, 51394, 58736, 70000, 73420, 91775, 102788, 128485, 146840, 183550, 205576, 256970, 293680, 367100, 411152, 458875, 513940, 642425, 734200, 917750, 1027880, 1284850, 1468400, 1835500, 2055760, 2294375, 2569700, 3212125, 3671000, 4588750, 5139400, 6424250, 7342000, 9177500, 10278800, 12848500, 16060625, 18355000, 25697000, 32121250, 36710000, 51394000, 64242500, 128485000, 256970000]

約数ペア:

[(1, 256970000), (2, 128485000), (4, 64242500), (5, 51394000), (7, 36710000), (8, 32121250), (10, 25697000), (14, 18355000), (16, 16060625), (20, 12848500), (25, 10278800), (28, 9177500), (35, 7342000), (40, 6424250), (50, 5139400), (56, 4588750), (70, 3671000), (80, 3212125), (100, 2569700), (112, 2294375), (125, 2055760), (140, 1835500), (175, 1468400), (200, 1284850), (250, 1027880), (280, 917750), (350, 734200), (400, 642425), (500, 513940), (560, 458875), (625, 411152), (700, 367100), (875, 293680), (1000, 256970), (1250, 205576), (1400, 183550), (1750, 146840), (2000, 128485), (2500, 102788), (2800, 91775), (3500, 73420), (3671, 70000), (4375, 58736), (5000, 51394), (7000, 36710), (7342, 35000), (8750, 29368), (10000, 25697), (14000, 18355), (14684, 17500)]