129631340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{1399}}^1$

素因数の和:1562

約数の個数: 48

約数和(自身を含む): 281534400

約数和(自身を除く): 151903060

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 113, 164, 205, 226, 410, 452, 565, 820, 1130, 1399, 2260, 2798, 4633, 5596, 6995, 9266, 13990, 18532, 23165, 27980, 46330, 57359, 92660, 114718, 158087, 229436, 286795, 316174, 573590, 632348, 790435, 1147180, 1580870, 3161740, 6481567, 12963134, 25926268, 32407835, 64815670, 129631340]

約数ペア:

[(1, 129631340), (2, 64815670), (4, 32407835), (5, 25926268), (10, 12963134), (20, 6481567), (41, 3161740), (82, 1580870), (113, 1147180), (164, 790435), (205, 632348), (226, 573590), (410, 316174), (452, 286795), (565, 229436), (820, 158087), (1130, 114718), (1399, 92660), (2260, 57359), (2798, 46330), (4633, 27980), (5596, 23165), (6995, 18532), (9266, 13990)]