290170870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{20771}}^1$

素因数の和:20916

約数の個数: 32

約数和(自身を含む): 574304256

約数和(自身を除く): 284133386

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 2794, 6985, 13970, 20771, 41542, 103855, 207710, 228481, 456962, 1142405, 2284810, 2637917, 5275834, 13189585, 26379170, 29017087, 58034174, 145085435, 290170870]

約数ペア:

[(1, 290170870), (2, 145085435), (5, 58034174), (10, 29017087), (11, 26379170), (22, 13189585), (55, 5275834), (110, 2637917), (127, 2284810), (254, 1142405), (635, 456962), (1270, 228481), (1397, 207710), (2794, 103855), (6985, 41542), (13970, 20771)]