205552890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{253769}}^1$

素因数の和:253788

約数の個数: 40

約数和(自身を含む): 552711060

約数和(自身を除く): 347158170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 253769, 507538, 761307, 1268845, 1522614, 2283921, 2537690, 3806535, 4567842, 6851763, 7613070, 11419605, 13703526, 20555289, 22839210, 34258815, 41110578, 68517630, 102776445, 205552890]

約数ペア:

[(1, 205552890), (2, 102776445), (3, 68517630), (5, 41110578), (6, 34258815), (9, 22839210), (10, 20555289), (15, 13703526), (18, 11419605), (27, 7613070), (30, 6851763), (45, 4567842), (54, 3806535), (81, 2537690), (90, 2283921), (135, 1522614), (162, 1268845), (270, 761307), (405, 507538), (810, 253769)]