213071060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{1223}}^1$

素因数の和:1544

約数の個数: 48

約数和(自身を含む): 463905792

約数和(自身を除く): 250834732

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 281, 310, 562, 620, 1124, 1223, 1405, 2446, 2810, 4892, 5620, 6115, 8711, 12230, 17422, 24460, 34844, 37913, 43555, 75826, 87110, 151652, 174220, 189565, 343663, 379130, 687326, 758260, 1374652, 1718315, 3436630, 6873260, 10653553, 21307106, 42614212, 53267765, 106535530, 213071060]

約数ペア:

[(1, 213071060), (2, 106535530), (4, 53267765), (5, 42614212), (10, 21307106), (20, 10653553), (31, 6873260), (62, 3436630), (124, 1718315), (155, 1374652), (281, 758260), (310, 687326), (562, 379130), (620, 343663), (1124, 189565), (1223, 174220), (1405, 151652), (2446, 87110), (2810, 75826), (4892, 43555), (5620, 37913), (6115, 34844), (8711, 24460), (12230, 17422)]