2018543380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1279}}^1\times {\mathrm{11273}}^1$

素因数の和:12568

約数の個数: 48

約数和(自身を含む): 4848721920

約数和(自身を除く): 2830178540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1279, 2558, 5116, 6395, 8953, 11273, 12790, 17906, 22546, 25580, 35812, 44765, 45092, 56365, 78911, 89530, 112730, 157822, 179060, 225460, 315644, 394555, 789110, 1578220, 14418167, 28836334, 57672668, 72090835, 100927169, 144181670, 201854338, 288363340, 403708676, 504635845, 1009271690, 2018543380]

約数ペア:

[(1, 2018543380), (2, 1009271690), (4, 504635845), (5, 403708676), (7, 288363340), (10, 201854338), (14, 144181670), (20, 100927169), (28, 72090835), (35, 57672668), (70, 28836334), (140, 14418167), (1279, 1578220), (2558, 789110), (5116, 394555), (6395, 315644), (8953, 225460), (11273, 179060), (12790, 157822), (17906, 112730), (22546, 89530), (25580, 78911), (35812, 56365), (44765, 45092)]