137740940

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{4987}}^1$

素因数の和:6377

約数の個数: 24

約数和(自身を含む): 289523472

約数和(自身を除く): 151782532

約数列:

[1, 2, 4, 5, 10, 20, 1381, 2762, 4987, 5524, 6905, 9974, 13810, 19948, 24935, 27620, 49870, 99740, 6887047, 13774094, 27548188, 34435235, 68870470, 137740940]

約数ペア:

[(1, 137740940), (2, 68870470), (4, 34435235), (5, 27548188), (10, 13774094), (20, 6887047), (1381, 99740), (2762, 49870), (4987, 27620), (5524, 24935), (6905, 19948), (9974, 13810)]