123507580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{21517}}^1$

素因数の和:21574

約数の個数: 48

約数和(自身を含む): 303662016

約数和(自身を除く): 180154436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 21517, 43034, 86068, 107585, 150619, 215170, 301238, 430340, 602476, 753095, 882197, 1506190, 1764394, 3012380, 3528788, 4410985, 6175379, 8821970, 12350758, 17643940, 24701516, 30876895, 61753790, 123507580]

約数ペア:

[(1, 123507580), (2, 61753790), (4, 30876895), (5, 24701516), (7, 17643940), (10, 12350758), (14, 8821970), (20, 6175379), (28, 4410985), (35, 3528788), (41, 3012380), (70, 1764394), (82, 1506190), (140, 882197), (164, 753095), (205, 602476), (287, 430340), (410, 301238), (574, 215170), (820, 150619), (1148, 107585), (1435, 86068), (2870, 43034), (5740, 21517)]