4920489925

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 6862060800

約数和(自身を除く): 1941570875

約数列:

[1, 5, 13, 25, 47, 65, 71, 169, 235, 325, 349, 355, 611, 845, 923, 1175, 1745, 1775, 3055, 3337, 4225, 4537, 4615, 7943, 8725, 11999, 15275, 16403, 16685, 22685, 23075, 24779, 39715, 43381, 58981, 59995, 82015, 83425, 113425, 123895, 198575, 213239, 216905, 294905, 299975, 322127, 410075, 563953, 619475, 1066195, 1084525, 1164613, 1474525, 1610635, 2772107, 2819765, 4187651, 5330975, 5823065, 8053175, 13860535, 14098825, 15139969, 20938255, 29115325, 69302675, 75699845, 104691275, 196819597, 378499225, 984097985, 4920489925]

約数ペア:

[(1, 4920489925), (5, 984097985), (13, 378499225), (25, 196819597), (47, 104691275), (65, 75699845), (71, 69302675), (169, 29115325), (235, 20938255), (325, 15139969), (349, 14098825), (355, 13860535), (611, 8053175), (845, 5823065), (923, 5330975), (1175, 4187651), (1745, 2819765), (1775, 2772107), (3055, 1610635), (3337, 1474525), (4225, 1164613), (4537, 1084525), (4615, 1066195), (7943, 619475), (8725, 563953), (11999, 410075), (15275, 322127), (16403, 299975), (16685, 294905), (22685, 216905), (23075, 213239), (24779, 198575), (39715, 123895), (43381, 113425), (58981, 83425), (59995, 82015)]