61214780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3919}}^1$

素因数の和:4010

約数の個数: 48

約数和(自身を含む): 142248960

約数和(自身を除く): 81034180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 3919, 7810, 7838, 15620, 15676, 19595, 39190, 43109, 78380, 86218, 172436, 215545, 278249, 431090, 556498, 862180, 1112996, 1391245, 2782490, 3060739, 5564980, 6121478, 12242956, 15303695, 30607390, 61214780]

約数ペア:

[(1, 61214780), (2, 30607390), (4, 15303695), (5, 12242956), (10, 6121478), (11, 5564980), (20, 3060739), (22, 2782490), (44, 1391245), (55, 1112996), (71, 862180), (110, 556498), (142, 431090), (220, 278249), (284, 215545), (355, 172436), (710, 86218), (781, 78380), (1420, 43109), (1562, 39190), (3124, 19595), (3905, 15676), (3919, 15620), (7810, 7838)]