1399681940

素因数分解:

$2^2\times 5^1\times {\mathrm{2411}}^1\times {\mathrm{29027}}^1$

素因数の和:31447

約数の個数: 24

約数和(自身を含む): 2940652512

約数和(自身を除く): 1540970572

約数列:

[1, 2, 4, 5, 10, 20, 2411, 4822, 9644, 12055, 24110, 29027, 48220, 58054, 116108, 145135, 290270, 580540, 69984097, 139968194, 279936388, 349920485, 699840970, 1399681940]

約数ペア:

[(1, 1399681940), (2, 699840970), (4, 349920485), (5, 279936388), (10, 139968194), (20, 69984097), (2411, 580540), (4822, 290270), (9644, 145135), (12055, 116108), (24110, 58054), (29027, 48220)]