71747140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{12413}}^1$

素因数の和:12456

約数の個数: 36

約数和(自身を含む): 160066116

約数和(自身を除く): 88318976

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 12413, 24826, 49652, 62065, 124130, 211021, 248260, 422042, 844084, 1055105, 2110210, 3587357, 4220420, 7174714, 14349428, 17936785, 35873570, 71747140]

約数ペア:

[(1, 71747140), (2, 35873570), (4, 17936785), (5, 14349428), (10, 7174714), (17, 4220420), (20, 3587357), (34, 2110210), (68, 1055105), (85, 844084), (170, 422042), (289, 248260), (340, 211021), (578, 124130), (1156, 62065), (1445, 49652), (2890, 24826), (5780, 12413)]