7928890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1439}}^1$

素因数の和:1494

約数の個数: 32

約数和(自身を含む): 15552000

約数和(自身を除く): 7623110

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 1439, 2755, 2878, 5510, 7195, 14390, 27341, 41731, 54682, 83462, 136705, 208655, 273410, 417310, 792889, 1585778, 3964445, 7928890]

約数ペア:

[(1, 7928890), (2, 3964445), (5, 1585778), (10, 792889), (19, 417310), (29, 273410), (38, 208655), (58, 136705), (95, 83462), (145, 54682), (190, 41731), (290, 27341), (551, 14390), (1102, 7195), (1439, 5510), (2755, 2878)]