4839940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 11741184

約数和(自身を除く): 6901244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 191, 362, 382, 724, 764, 905, 955, 1267, 1337, 1810, 1910, 2534, 2674, 3620, 3820, 5068, 5348, 6335, 6685, 12670, 13370, 25340, 26740, 34571, 69142, 138284, 172855, 241997, 345710, 483994, 691420, 967988, 1209985, 2419970, 4839940]

約数ペア:

[(1, 4839940), (2, 2419970), (4, 1209985), (5, 967988), (7, 691420), (10, 483994), (14, 345710), (20, 241997), (28, 172855), (35, 138284), (70, 69142), (140, 34571), (181, 26740), (191, 25340), (362, 13370), (382, 12670), (724, 6685), (764, 6335), (905, 5348), (955, 5068), (1267, 3820), (1337, 3620), (1810, 2674), (1910, 2534)]