201252740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{2473}}^1$

素因数の和:2808

約数の個数: 48

約数和(自身を含む): 456779568

約数和(自身を除く): 255526828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 313, 626, 1252, 1565, 2473, 3130, 4069, 4946, 6260, 8138, 9892, 12365, 16276, 20345, 24730, 32149, 40690, 49460, 64298, 81380, 128596, 160745, 321490, 642980, 774049, 1548098, 3096196, 3870245, 7740490, 10062637, 15480980, 20125274, 40250548, 50313185, 100626370, 201252740]

約数ペア:

[(1, 201252740), (2, 100626370), (4, 50313185), (5, 40250548), (10, 20125274), (13, 15480980), (20, 10062637), (26, 7740490), (52, 3870245), (65, 3096196), (130, 1548098), (260, 774049), (313, 642980), (626, 321490), (1252, 160745), (1565, 128596), (2473, 81380), (3130, 64298), (4069, 49460), (4946, 40690), (6260, 32149), (8138, 24730), (9892, 20345), (12365, 16276)]