140171820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{21433}}^1$

素因数の和:21554

約数の個数: 48

約数和(自身を含む): 396100320

約数和(自身を除く): 255928500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 6540, 21433, 42866, 64299, 85732, 107165, 128598, 214330, 257196, 321495, 428660, 642990, 1285980, 2336197, 4672394, 7008591, 9344788, 11680985, 14017182, 23361970, 28034364, 35042955, 46723940, 70085910, 140171820]

約数ペア:

[(1, 140171820), (2, 70085910), (3, 46723940), (4, 35042955), (5, 28034364), (6, 23361970), (10, 14017182), (12, 11680985), (15, 9344788), (20, 7008591), (30, 4672394), (60, 2336197), (109, 1285980), (218, 642990), (327, 428660), (436, 321495), (545, 257196), (654, 214330), (1090, 128598), (1308, 107165), (1635, 85732), (2180, 64299), (3270, 42866), (6540, 21433)]