4207940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 9967104

約数和(自身を除く): 5759164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 617, 620, 682, 1234, 1364, 1705, 2468, 3085, 3410, 6170, 6787, 6820, 12340, 13574, 19127, 27148, 33935, 38254, 67870, 76508, 95635, 135740, 191270, 210397, 382540, 420794, 841588, 1051985, 2103970, 4207940]

約数ペア:

[(1, 4207940), (2, 2103970), (4, 1051985), (5, 841588), (10, 420794), (11, 382540), (20, 210397), (22, 191270), (31, 135740), (44, 95635), (55, 76508), (62, 67870), (110, 38254), (124, 33935), (155, 27148), (220, 19127), (310, 13574), (341, 12340), (617, 6820), (620, 6787), (682, 6170), (1234, 3410), (1364, 3085), (1705, 2468)]