72429940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4637}}^1$

素因数の和:4728

約数の個数: 48

約数和(自身を含む): 168303744

約数和(自身を除く): 95873804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 4637, 7810, 9274, 15620, 18548, 23185, 46370, 51007, 92740, 102014, 204028, 255035, 329227, 510070, 658454, 1020140, 1316908, 1646135, 3292270, 3621497, 6584540, 7242994, 14485988, 18107485, 36214970, 72429940]

約数ペア:

[(1, 72429940), (2, 36214970), (4, 18107485), (5, 14485988), (10, 7242994), (11, 6584540), (20, 3621497), (22, 3292270), (44, 1646135), (55, 1316908), (71, 1020140), (110, 658454), (142, 510070), (220, 329227), (284, 255035), (355, 204028), (710, 102014), (781, 92740), (1420, 51007), (1562, 46370), (3124, 23185), (3905, 18548), (4637, 15620), (7810, 9274)]