489808280425

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1609}}^1$

素因数の和:1867

約数の個数: 96

約数和(自身を含む): 652008268800

約数和(自身を除く): 162199988375

約数列:

[1, 5, 25, 41, 47, 71, 89, 205, 235, 355, 445, 1025, 1175, 1609, 1775, 1927, 2225, 2911, 3337, 3649, 4183, 6319, 8045, 9635, 14555, 16685, 18245, 20915, 31595, 40225, 48175, 65969, 72775, 75623, 83425, 91225, 104575, 114239, 136817, 143201, 157975, 171503, 259079, 296993, 329845, 378115, 571195, 684085, 716005, 857515, 1295395, 1484965, 1649225, 1890575, 2855975, 3100543, 3420425, 3580025, 4287575, 4683799, 5369233, 5871241, 6476975, 6730447, 7424825, 10167271, 12176713, 15502715, 23418995, 26846165, 29356205, 33652235, 50836355, 60883565, 77513575, 117094975, 134230825, 146781025, 168261175, 220138553, 254181775, 275948327, 304417825, 416858111, 477861737, 1100692765, 1379741635, 2084290555, 2389308685, 5503463825, 6898708175, 10421452775, 11946543425, 19592331217, 97961656085, 489808280425]

約数ペア:

[(1, 489808280425), (5, 97961656085), (25, 19592331217), (41, 11946543425), (47, 10421452775), (71, 6898708175), (89, 5503463825), (205, 2389308685), (235, 2084290555), (355, 1379741635), (445, 1100692765), (1025, 477861737), (1175, 416858111), (1609, 304417825), (1775, 275948327), (1927, 254181775), (2225, 220138553), (2911, 168261175), (3337, 146781025), (3649, 134230825), (4183, 117094975), (6319, 77513575), (8045, 60883565), (9635, 50836355), (14555, 33652235), (16685, 29356205), (18245, 26846165), (20915, 23418995), (31595, 15502715), (40225, 12176713), (48175, 10167271), (65969, 7424825), (72775, 6730447), (75623, 6476975), (83425, 5871241), (91225, 5369233), (104575, 4683799), (114239, 4287575), (136817, 3580025), (143201, 3420425), (157975, 3100543), (171503, 2855975), (259079, 1890575), (296993, 1649225), (329845, 1484965), (378115, 1295395), (571195, 857515), (684085, 716005)]