139908880

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{23957}}^1$

素因数の和:24043

約数の個数: 40

約数和(自身を含む): 329757912

約数和(自身を除く): 189849032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 23957, 47914, 95828, 119785, 191656, 239570, 383312, 479140, 958280, 1748861, 1916560, 3497722, 6995444, 8744305, 13990888, 17488610, 27981776, 34977220, 69954440, 139908880]

約数ペア:

[(1, 139908880), (2, 69954440), (4, 34977220), (5, 27981776), (8, 17488610), (10, 13990888), (16, 8744305), (20, 6995444), (40, 3497722), (73, 1916560), (80, 1748861), (146, 958280), (292, 479140), (365, 383312), (584, 239570), (730, 191656), (1168, 119785), (1460, 95828), (2920, 47914), (5840, 23957)]