251826430

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{5531}}^1$

素因数の和:5724

約数の個数: 32

約数和(自身を含む): 471990240

約数和(自身を除く): 220163810

約数列:

[1, 2, 5, 10, 29, 58, 145, 157, 290, 314, 785, 1570, 4553, 5531, 9106, 11062, 22765, 27655, 45530, 55310, 160399, 320798, 801995, 868367, 1603990, 1736734, 4341835, 8683670, 25182643, 50365286, 125913215, 251826430]

約数ペア:

[(1, 251826430), (2, 125913215), (5, 50365286), (10, 25182643), (29, 8683670), (58, 4341835), (145, 1736734), (157, 1603990), (290, 868367), (314, 801995), (785, 320798), (1570, 160399), (4553, 55310), (5531, 45530), (9106, 27655), (11062, 22765)]