653140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1$

素因数の和:156

約数の個数: 36

約数和(自身を含む): 1469916

約数和(自身を除く): 816776

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 113, 170, 226, 289, 340, 452, 565, 578, 1130, 1156, 1445, 1921, 2260, 2890, 3842, 5780, 7684, 9605, 19210, 32657, 38420, 65314, 130628, 163285, 326570, 653140]

約数ペア:

[(1, 653140), (2, 326570), (4, 163285), (5, 130628), (10, 65314), (17, 38420), (20, 32657), (34, 19210), (68, 9605), (85, 7684), (113, 5780), (170, 3842), (226, 2890), (289, 2260), (340, 1921), (452, 1445), (565, 1156), (578, 1130)]