7450420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1289}}^1$

素因数の和:1332

約数の個数: 36

約数和(自身を含む): 16633260

約数和(自身を除く): 9182840

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1289, 1445, 2578, 2890, 5156, 5780, 6445, 12890, 21913, 25780, 43826, 87652, 109565, 219130, 372521, 438260, 745042, 1490084, 1862605, 3725210, 7450420]

約数ペア:

[(1, 7450420), (2, 3725210), (4, 1862605), (5, 1490084), (10, 745042), (17, 438260), (20, 372521), (34, 219130), (68, 109565), (85, 87652), (170, 43826), (289, 25780), (340, 21913), (578, 12890), (1156, 6445), (1289, 5780), (1445, 5156), (2578, 2890)]