201541620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{479861}}^1$

素因数の和:479880

約数の個数: 48

約数和(自身を含む): 644934528

約数和(自身を除く): 443392908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 479861, 959722, 1439583, 1919444, 2399305, 2879166, 3359027, 4798610, 5758332, 6718054, 7197915, 9597220, 10077081, 13436108, 14395830, 16795135, 20154162, 28791660, 33590270, 40308324, 50385405, 67180540, 100770810, 201541620]

約数ペア:

[(1, 201541620), (2, 100770810), (3, 67180540), (4, 50385405), (5, 40308324), (6, 33590270), (7, 28791660), (10, 20154162), (12, 16795135), (14, 14395830), (15, 13436108), (20, 10077081), (21, 9597220), (28, 7197915), (30, 6718054), (35, 5758332), (42, 4798610), (60, 3359027), (70, 2879166), (84, 2399305), (105, 1919444), (140, 1439583), (210, 959722), (420, 479861)]