128538700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{75611}}^1$

素因数の和:75642

約数の個数: 36

約数和(自身を含む): 295340472

約数和(自身を除く): 166801772

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 75611, 151222, 302444, 378055, 756110, 1285387, 1512220, 1890275, 2570774, 3780550, 5141548, 6426935, 7561100, 12853870, 25707740, 32134675, 64269350, 128538700]

約数ペア:

[(1, 128538700), (2, 64269350), (4, 32134675), (5, 25707740), (10, 12853870), (17, 7561100), (20, 6426935), (25, 5141548), (34, 3780550), (50, 2570774), (68, 1890275), (85, 1512220), (100, 1285387), (170, 756110), (340, 378055), (425, 302444), (850, 151222), (1700, 75611)]