20100304

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{911}}^1$

素因数の和:1123

約数の個数: 40

約数和(自身を含む): 44782848

約数和(自身を除く): 24682544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 394, 788, 911, 1379, 1576, 1822, 2758, 3152, 3644, 5516, 6377, 7288, 11032, 12754, 14576, 22064, 25508, 51016, 102032, 179467, 358934, 717868, 1256269, 1435736, 2512538, 2871472, 5025076, 10050152, 20100304]

約数ペア:

[(1, 20100304), (2, 10050152), (4, 5025076), (7, 2871472), (8, 2512538), (14, 1435736), (16, 1256269), (28, 717868), (56, 358934), (112, 179467), (197, 102032), (394, 51016), (788, 25508), (911, 22064), (1379, 14576), (1576, 12754), (1822, 11032), (2758, 7288), (3152, 6377), (3644, 5516)]