1289854870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{10037}}^1$

素因数の和:10296

約数の個数: 32

約数和(自身を含む): 2367683136

約数和(自身を除く): 1077828266

約数列:

[1, 2, 5, 10, 71, 142, 181, 355, 362, 710, 905, 1810, 10037, 12851, 20074, 25702, 50185, 64255, 100370, 128510, 712627, 1425254, 1816697, 3563135, 3633394, 7126270, 9083485, 18166970, 128985487, 257970974, 644927435, 1289854870]

約数ペア:

[(1, 1289854870), (2, 644927435), (5, 257970974), (10, 128985487), (71, 18166970), (142, 9083485), (181, 7126270), (355, 3633394), (362, 3563135), (710, 1816697), (905, 1425254), (1810, 712627), (10037, 128510), (12851, 100370), (20074, 64255), (25702, 50185)]