2978680

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{659}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 6771600

約数和(自身を除く): 3792920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 659, 904, 1130, 1318, 2260, 2636, 3295, 4520, 5272, 6590, 13180, 26360, 74467, 148934, 297868, 372335, 595736, 744670, 1489340, 2978680]

約数ペア:

[(1, 2978680), (2, 1489340), (4, 744670), (5, 595736), (8, 372335), (10, 297868), (20, 148934), (40, 74467), (113, 26360), (226, 13180), (452, 6590), (565, 5272), (659, 4520), (904, 3295), (1130, 2636), (1318, 2260)]