2992777780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{192091}}^1$

素因数の和:192160

約数の個数: 48

約数和(自身を含む): 6777005760

約数和(自身を除く): 3784227980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 15580, 192091, 384182, 768364, 960455, 1920910, 3649729, 3841820, 7299458, 7875731, 14598916, 15751462, 18248645, 31502924, 36497290, 39378655, 72994580, 78757310, 149638889, 157514620, 299277778, 598555556, 748194445, 1496388890, 2992777780]

約数ペア:

[(1, 2992777780), (2, 1496388890), (4, 748194445), (5, 598555556), (10, 299277778), (19, 157514620), (20, 149638889), (38, 78757310), (41, 72994580), (76, 39378655), (82, 36497290), (95, 31502924), (164, 18248645), (190, 15751462), (205, 14598916), (380, 7875731), (410, 7299458), (779, 3841820), (820, 3649729), (1558, 1920910), (3116, 960455), (3895, 768364), (7790, 384182), (15580, 192091)]