7678660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 18768960

約数和(自身を除く): 11090300

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 167, 190, 209, 220, 242, 334, 380, 418, 484, 605, 668, 835, 836, 1045, 1210, 1670, 1837, 2090, 2299, 2420, 3173, 3340, 3674, 4180, 4598, 6346, 7348, 9185, 9196, 11495, 12692, 15865, 18370, 20207, 22990, 31730, 34903, 36740, 40414, 45980, 63460, 69806, 80828, 101035, 139612, 174515, 202070, 349030, 383933, 404140, 698060, 767866, 1535732, 1919665, 3839330, 7678660]

約数ペア:

[(1, 7678660), (2, 3839330), (4, 1919665), (5, 1535732), (10, 767866), (11, 698060), (19, 404140), (20, 383933), (22, 349030), (38, 202070), (44, 174515), (55, 139612), (76, 101035), (95, 80828), (110, 69806), (121, 63460), (167, 45980), (190, 40414), (209, 36740), (220, 34903), (242, 31730), (334, 22990), (380, 20207), (418, 18370), (484, 15865), (605, 12692), (668, 11495), (835, 9196), (836, 9185), (1045, 7348), (1210, 6346), (1670, 4598), (1837, 4180), (2090, 3674), (2299, 3340), (2420, 3173)]