2150571860

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{3469}}^1$

素因数の和:3840

約数の個数: 48

約数和(自身を含む): 4570406400

約数和(自身を除く): 2419834540

約数列:

[1, 2, 4, 5, 10, 20, 139, 223, 278, 446, 556, 695, 892, 1115, 1390, 2230, 2780, 3469, 4460, 6938, 13876, 17345, 30997, 34690, 61994, 69380, 123988, 154985, 309970, 482191, 619940, 773587, 964382, 1547174, 1928764, 2410955, 3094348, 3867935, 4821910, 7735870, 9643820, 15471740, 107528593, 215057186, 430114372, 537642965, 1075285930, 2150571860]

約数ペア:

[(1, 2150571860), (2, 1075285930), (4, 537642965), (5, 430114372), (10, 215057186), (20, 107528593), (139, 15471740), (223, 9643820), (278, 7735870), (446, 4821910), (556, 3867935), (695, 3094348), (892, 2410955), (1115, 1928764), (1390, 1547174), (2230, 964382), (2780, 773587), (3469, 619940), (4460, 482191), (6938, 309970), (13876, 154985), (17345, 123988), (30997, 69380), (34690, 61994)]