388626740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{1601}}^1$

素因数の和:1892

約数の個数: 48

約数和(自身を含む): 835667280

約数和(自身を除く): 447040540

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 229, 265, 458, 530, 916, 1060, 1145, 1601, 2290, 3202, 4580, 6404, 8005, 12137, 16010, 24274, 32020, 48548, 60685, 84853, 121370, 169706, 242740, 339412, 366629, 424265, 733258, 848530, 1466516, 1697060, 1833145, 3666290, 7332580, 19431337, 38862674, 77725348, 97156685, 194313370, 388626740]

約数ペア:

[(1, 388626740), (2, 194313370), (4, 97156685), (5, 77725348), (10, 38862674), (20, 19431337), (53, 7332580), (106, 3666290), (212, 1833145), (229, 1697060), (265, 1466516), (458, 848530), (530, 733258), (916, 424265), (1060, 366629), (1145, 339412), (1601, 242740), (2290, 169706), (3202, 121370), (4580, 84853), (6404, 60685), (8005, 48548), (12137, 32020), (16010, 24274)]