2259104980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{144629}}^1$

素因数の和:144720

約数の個数: 48

約数和(自身を含む): 5248333440

約数和(自身を除く): 2989228460

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, 7810, 15620, 144629, 289258, 578516, 723145, 1446290, 1590919, 2892580, 3181838, 6363676, 7954595, 10268659, 15909190, 20537318, 31818380, 41074636, 51343295, 102686590, 112955249, 205373180, 225910498, 451820996, 564776245, 1129552490, 2259104980]

約数ペア:

[(1, 2259104980), (2, 1129552490), (4, 564776245), (5, 451820996), (10, 225910498), (11, 205373180), (20, 112955249), (22, 102686590), (44, 51343295), (55, 41074636), (71, 31818380), (110, 20537318), (142, 15909190), (220, 10268659), (284, 7954595), (355, 6363676), (710, 3181838), (781, 2892580), (1420, 1590919), (1562, 1446290), (3124, 723145), (3905, 578516), (7810, 289258), (15620, 144629)]