65471780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2141}}^1$

素因数の和:2300

約数の個数: 48

約数和(自身を含む): 151139520

約数和(自身を除く): 85667740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 2141, 2780, 3058, 4282, 6116, 7645, 8564, 10705, 15290, 21410, 23551, 30580, 42820, 47102, 94204, 117755, 235510, 297599, 471020, 595198, 1190396, 1487995, 2975990, 3273589, 5951980, 6547178, 13094356, 16367945, 32735890, 65471780]

約数ペア:

[(1, 65471780), (2, 32735890), (4, 16367945), (5, 13094356), (10, 6547178), (11, 5951980), (20, 3273589), (22, 2975990), (44, 1487995), (55, 1190396), (110, 595198), (139, 471020), (220, 297599), (278, 235510), (556, 117755), (695, 94204), (1390, 47102), (1529, 42820), (2141, 30580), (2780, 23551), (3058, 21410), (4282, 15290), (6116, 10705), (7645, 8564)]