250738040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{2861}}^1$

素因数の和:3192

約数の個数: 64

約数和(自身を含む): 647040960

約数和(自身を除く): 396302920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313, 626, 1252, 1565, 2191, 2504, 2861, 3130, 4382, 5722, 6260, 8764, 10955, 11444, 12520, 14305, 17528, 20027, 21910, 22888, 28610, 40054, 43820, 57220, 80108, 87640, 100135, 114440, 160216, 200270, 400540, 801080, 895493, 1790986, 3581972, 4477465, 6268451, 7163944, 8954930, 12536902, 17909860, 25073804, 31342255, 35819720, 50147608, 62684510, 125369020, 250738040]

約数ペア:

[(1, 250738040), (2, 125369020), (4, 62684510), (5, 50147608), (7, 35819720), (8, 31342255), (10, 25073804), (14, 17909860), (20, 12536902), (28, 8954930), (35, 7163944), (40, 6268451), (56, 4477465), (70, 3581972), (140, 1790986), (280, 895493), (313, 801080), (626, 400540), (1252, 200270), (1565, 160216), (2191, 114440), (2504, 100135), (2861, 87640), (3130, 80108), (4382, 57220), (5722, 43820), (6260, 40054), (8764, 28610), (10955, 22888), (11444, 21910), (12520, 20027), (14305, 17528)]