401378330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{21661}}^1$

素因数の和:21794

約数の個数: 32

約数和(自身を含む): 772033680

約数和(自身を除く): 370655350

約数列:

[1, 2, 5, 10, 17, 34, 85, 109, 170, 218, 545, 1090, 1853, 3706, 9265, 18530, 21661, 43322, 108305, 216610, 368237, 736474, 1841185, 2361049, 3682370, 4722098, 11805245, 23610490, 40137833, 80275666, 200689165, 401378330]

約数ペア:

[(1, 401378330), (2, 200689165), (5, 80275666), (10, 40137833), (17, 23610490), (34, 11805245), (85, 4722098), (109, 3682370), (170, 2361049), (218, 1841185), (545, 736474), (1090, 368237), (1853, 216610), (3706, 108305), (9265, 43322), (18530, 21661)]