2108786620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1249}}^1$

素因数の和:1399

約数の個数: 96

約数和(自身を含む): 4762800000

約数和(自身を除く): 2654013380

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 71, 82, 116, 142, 145, 164, 205, 284, 290, 355, 410, 580, 710, 820, 1189, 1249, 1420, 2059, 2378, 2498, 2911, 4118, 4756, 4996, 5822, 5945, 6245, 8236, 10295, 11644, 11890, 12490, 14555, 20590, 23780, 24980, 29110, 36221, 41180, 51209, 58220, 72442, 84419, 88679, 102418, 144884, 168838, 177358, 181105, 204836, 256045, 337676, 354716, 362210, 422095, 443395, 512090, 724420, 844190, 886790, 1024180, 1485061, 1688380, 1773580, 2571691, 2970122, 3635839, 5143382, 5940244, 7271678, 7425305, 10286764, 12858455, 14543356, 14850610, 18179195, 25716910, 29701220, 36358390, 51433820, 72716780, 105439331, 210878662, 421757324, 527196655, 1054393310, 2108786620]

約数ペア:

[(1, 2108786620), (2, 1054393310), (4, 527196655), (5, 421757324), (10, 210878662), (20, 105439331), (29, 72716780), (41, 51433820), (58, 36358390), (71, 29701220), (82, 25716910), (116, 18179195), (142, 14850610), (145, 14543356), (164, 12858455), (205, 10286764), (284, 7425305), (290, 7271678), (355, 5940244), (410, 5143382), (580, 3635839), (710, 2970122), (820, 2571691), (1189, 1773580), (1249, 1688380), (1420, 1485061), (2059, 1024180), (2378, 886790), (2498, 844190), (2911, 724420), (4118, 512090), (4756, 443395), (4996, 422095), (5822, 362210), (5945, 354716), (6245, 337676), (8236, 256045), (10295, 204836), (11644, 181105), (11890, 177358), (12490, 168838), (14555, 144884), (20590, 102418), (23780, 88679), (24980, 84419), (29110, 72442), (36221, 58220), (41180, 51209)]