85172890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1231}}^1$

素因数の和:1303

約数の個数: 64

約数和(自身を含む): 182020608

約数和(自身を除く): 96847718

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 37, 55, 74, 85, 110, 170, 185, 187, 370, 374, 407, 629, 814, 935, 1231, 1258, 1870, 2035, 2462, 3145, 4070, 6155, 6290, 6919, 12310, 13541, 13838, 20927, 27082, 34595, 41854, 45547, 67705, 69190, 91094, 104635, 135410, 209270, 227735, 230197, 455470, 460394, 501017, 774299, 1002034, 1150985, 1548598, 2301970, 2505085, 3871495, 5010170, 7742990, 8517289, 17034578, 42586445, 85172890]

約数ペア:

[(1, 85172890), (2, 42586445), (5, 17034578), (10, 8517289), (11, 7742990), (17, 5010170), (22, 3871495), (34, 2505085), (37, 2301970), (55, 1548598), (74, 1150985), (85, 1002034), (110, 774299), (170, 501017), (185, 460394), (187, 455470), (370, 230197), (374, 227735), (407, 209270), (629, 135410), (814, 104635), (935, 91094), (1231, 69190), (1258, 67705), (1870, 45547), (2035, 41854), (2462, 34595), (3145, 27082), (4070, 20927), (6155, 13838), (6290, 13541), (6919, 12310)]