201770980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{1051}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 440072640

約数和(自身を除く): 238301660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 331, 580, 662, 1051, 1324, 1655, 2102, 3310, 4204, 5255, 6620, 9599, 10510, 19198, 21020, 30479, 38396, 47995, 60958, 95990, 121916, 152395, 191980, 304790, 347881, 609580, 695762, 1391524, 1739405, 3478810, 6957620, 10088549, 20177098, 40354196, 50442745, 100885490, 201770980]

約数ペア:

[(1, 201770980), (2, 100885490), (4, 50442745), (5, 40354196), (10, 20177098), (20, 10088549), (29, 6957620), (58, 3478810), (116, 1739405), (145, 1391524), (290, 695762), (331, 609580), (580, 347881), (662, 304790), (1051, 191980), (1324, 152395), (1655, 121916), (2102, 95990), (3310, 60958), (4204, 47995), (5255, 38396), (6620, 30479), (9599, 21020), (10510, 19198)]