9901250

素因数分解:

$2^1\times 5^4\times {\mathrm{89}}^2$

素因数の和:200

約数の個数: 30

約数和(自身を含む): 18769773

約数和(自身を除く): 8868523

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 178, 250, 445, 625, 890, 1250, 2225, 4450, 7921, 11125, 15842, 22250, 39605, 55625, 79210, 111250, 198025, 396050, 990125, 1980250, 4950625, 9901250]

約数ペア:

[(1, 9901250), (2, 4950625), (5, 1980250), (10, 990125), (25, 396050), (50, 198025), (89, 111250), (125, 79210), (178, 55625), (250, 39605), (445, 22250), (625, 15842), (890, 11125), (1250, 7921), (2225, 4450)]