240991010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{80599}}^1$

素因数の和:80642

約数の個数: 32

約数和(自身を含む): 487468800

約数和(自身を除く): 246477790

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 80599, 161198, 402995, 805990, 1047787, 1853777, 2095574, 3707554, 5238935, 9268885, 10477870, 18537770, 24099101, 48198202, 120495505, 240991010]

約数ペア:

[(1, 240991010), (2, 120495505), (5, 48198202), (10, 24099101), (13, 18537770), (23, 10477870), (26, 9268885), (46, 5238935), (65, 3707554), (115, 2095574), (130, 1853777), (230, 1047787), (299, 805990), (598, 402995), (1495, 161198), (2990, 80599)]