64773940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{42061}}^1$

素因数の和:42088

約数の個数: 48

約数和(自身を含む): 169593984

約数和(自身を除く): 104820044

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 42061, 84122, 168244, 210305, 294427, 420610, 462671, 588854, 841220, 925342, 1177708, 1472135, 1850684, 2313355, 2944270, 3238697, 4626710, 5888540, 6477394, 9253420, 12954788, 16193485, 32386970, 64773940]

約数ペア:

[(1, 64773940), (2, 32386970), (4, 16193485), (5, 12954788), (7, 9253420), (10, 6477394), (11, 5888540), (14, 4626710), (20, 3238697), (22, 2944270), (28, 2313355), (35, 1850684), (44, 1472135), (55, 1177708), (70, 925342), (77, 841220), (110, 588854), (140, 462671), (154, 420610), (220, 294427), (308, 210305), (385, 168244), (770, 84122), (1540, 42061)]