28501180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4931}}^1$

素因数の和:4974

約数の個数: 36

約数和(自身を含む): 63593208

約数和(自身を除く): 35092028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 4931, 5780, 9862, 19724, 24655, 49310, 83827, 98620, 167654, 335308, 419135, 838270, 1425059, 1676540, 2850118, 5700236, 7125295, 14250590, 28501180]

約数ペア:

[(1, 28501180), (2, 14250590), (4, 7125295), (5, 5700236), (10, 2850118), (17, 1676540), (20, 1425059), (34, 838270), (68, 419135), (85, 335308), (170, 167654), (289, 98620), (340, 83827), (578, 49310), (1156, 24655), (1445, 19724), (2890, 9862), (4931, 5780)]