156948800740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{1284991}}^1$

素因数の和:1285228

約数の個数: 48

約数和(自身を含む): 341951791104

約数和(自身を除く): 185002990364

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 197, 310, 394, 620, 788, 985, 1970, 3940, 6107, 12214, 24428, 30535, 61070, 122140, 1284991, 2569982, 5139964, 6424955, 12849910, 25699820, 39834721, 79669442, 159338884, 199173605, 253143227, 398347210, 506286454, 796694420, 1012572908, 1265716135, 2531432270, 5062864540, 7847440037, 15694880074, 31389760148, 39237200185, 78474400370, 156948800740]

約数ペア:

[(1, 156948800740), (2, 78474400370), (4, 39237200185), (5, 31389760148), (10, 15694880074), (20, 7847440037), (31, 5062864540), (62, 2531432270), (124, 1265716135), (155, 1012572908), (197, 796694420), (310, 506286454), (394, 398347210), (620, 253143227), (788, 199173605), (985, 159338884), (1970, 79669442), (3940, 39834721), (6107, 25699820), (12214, 12849910), (24428, 6424955), (30535, 5139964), (61070, 2569982), (122140, 1284991)]