388632880

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{34949}}^1$

素因数の和:35101

約数の個数: 40

約数和(自身を含む): 910098000

約数和(自身を除く): 521465120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 34949, 69898, 139796, 174745, 279592, 349490, 559184, 698980, 1397960, 2795920, 4857911, 9715822, 19431644, 24289555, 38863288, 48579110, 77726576, 97158220, 194316440, 388632880]

約数ペア:

[(1, 388632880), (2, 194316440), (4, 97158220), (5, 77726576), (8, 48579110), (10, 38863288), (16, 24289555), (20, 19431644), (40, 9715822), (80, 4857911), (139, 2795920), (278, 1397960), (556, 698980), (695, 559184), (1112, 349490), (1390, 279592), (2224, 174745), (2780, 139796), (5560, 69898), (11120, 34949)]