305263220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{8237}}^1$

素因数の和:8372

約数の個数: 48

約数和(自身を含む): 685072080

約数和(自身を除く): 379808860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1853, 2180, 3706, 7412, 8237, 9265, 16474, 18530, 32948, 37060, 41185, 82370, 140029, 164740, 280058, 560116, 700145, 897833, 1400290, 1795666, 2800580, 3591332, 4489165, 8978330, 15263161, 17956660, 30526322, 61052644, 76315805, 152631610, 305263220]

約数ペア:

[(1, 305263220), (2, 152631610), (4, 76315805), (5, 61052644), (10, 30526322), (17, 17956660), (20, 15263161), (34, 8978330), (68, 4489165), (85, 3591332), (109, 2800580), (170, 1795666), (218, 1400290), (340, 897833), (436, 700145), (545, 560116), (1090, 280058), (1853, 164740), (2180, 140029), (3706, 82370), (7412, 41185), (8237, 37060), (9265, 32948), (16474, 18530)]