28598920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{102139}}^1$

素因数の和:102157

約数の個数: 32

約数和(自身を含む): 73540800

約数和(自身を除く): 44941880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 102139, 204278, 408556, 510695, 714973, 817112, 1021390, 1429946, 2042780, 2859892, 3574865, 4085560, 5719784, 7149730, 14299460, 28598920]

約数ペア:

[(1, 28598920), (2, 14299460), (4, 7149730), (5, 5719784), (7, 4085560), (8, 3574865), (10, 2859892), (14, 2042780), (20, 1429946), (28, 1021390), (35, 817112), (40, 714973), (56, 510695), (70, 408556), (140, 204278), (280, 102139)]