255681790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{21613}}^1$

素因数の和:21653

約数の個数: 48

約数和(自身を含む): 569572128

約数和(自身を除く): 313890338

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 169, 182, 338, 455, 845, 910, 1183, 1690, 2366, 5915, 11830, 21613, 43226, 108065, 151291, 216130, 280969, 302582, 561938, 756455, 1404845, 1512910, 1966783, 2809690, 3652597, 3933566, 7305194, 9833915, 18262985, 19667830, 25568179, 36525970, 51136358, 127840895, 255681790]

約数ペア:

[(1, 255681790), (2, 127840895), (5, 51136358), (7, 36525970), (10, 25568179), (13, 19667830), (14, 18262985), (26, 9833915), (35, 7305194), (65, 3933566), (70, 3652597), (91, 2809690), (130, 1966783), (169, 1512910), (182, 1404845), (338, 756455), (455, 561938), (845, 302582), (910, 280969), (1183, 216130), (1690, 151291), (2366, 108065), (5915, 43226), (11830, 21613)]