491062040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{2861}}^1$

素因数の和:3492

約数の個数: 64

約数和(自身を含む): 1265232960

約数和(自身を除く): 774170920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 613, 1226, 2452, 2861, 3065, 4291, 4904, 5722, 6130, 8582, 11444, 12260, 14305, 17164, 20027, 21455, 22888, 24520, 28610, 34328, 40054, 42910, 57220, 80108, 85820, 100135, 114440, 160216, 171640, 200270, 400540, 801080, 1753793, 3507586, 7015172, 8768965, 12276551, 14030344, 17537930, 24553102, 35075860, 49106204, 61382755, 70151720, 98212408, 122765510, 245531020, 491062040]

約数ペア:

[(1, 491062040), (2, 245531020), (4, 122765510), (5, 98212408), (7, 70151720), (8, 61382755), (10, 49106204), (14, 35075860), (20, 24553102), (28, 17537930), (35, 14030344), (40, 12276551), (56, 8768965), (70, 7015172), (140, 3507586), (280, 1753793), (613, 801080), (1226, 400540), (2452, 200270), (2861, 171640), (3065, 160216), (4291, 114440), (4904, 100135), (5722, 85820), (6130, 80108), (8582, 57220), (11444, 42910), (12260, 40054), (14305, 34328), (17164, 28610), (20027, 24520), (21455, 22888)]