9888969460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1777}}^1\times {\mathrm{3919}}^1$

素因数の和:5776

約数の個数: 48

約数和(自身を含む): 21076554240

約数和(自身を除く): 11187584780

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1777, 3554, 3919, 7108, 7838, 8885, 15676, 17770, 19595, 35540, 39190, 78380, 126167, 252334, 278249, 504668, 556498, 630835, 1112996, 1261670, 1391245, 2523340, 2782490, 5564980, 6964063, 13928126, 27856252, 34820315, 69640630, 139281260, 494448473, 988896946, 1977793892, 2472242365, 4944484730, 9888969460]

約数ペア:

[(1, 9888969460), (2, 4944484730), (4, 2472242365), (5, 1977793892), (10, 988896946), (20, 494448473), (71, 139281260), (142, 69640630), (284, 34820315), (355, 27856252), (710, 13928126), (1420, 6964063), (1777, 5564980), (3554, 2782490), (3919, 2523340), (7108, 1391245), (7838, 1261670), (8885, 1112996), (15676, 630835), (17770, 556498), (19595, 504668), (35540, 278249), (39190, 252334), (78380, 126167)]