2538900004

素因数分解:

$2^2\times {\mathrm{19}}^3\times {\mathrm{29}}^1\times {\mathrm{3191}}^1$

素因数の和:3281

約数の個数: 48

約数和(自身を含む): 4853116800

約数和(自身を除く): 2314216796

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 361, 551, 722, 1102, 1444, 2204, 3191, 6382, 6859, 10469, 12764, 13718, 20938, 27436, 41876, 60629, 92539, 121258, 185078, 198911, 242516, 370156, 397822, 795644, 1151951, 1758241, 2303902, 3516482, 4607804, 7032964, 21887069, 33406579, 43774138, 66813158, 87548276, 133626316, 634725001, 1269450002, 2538900004]

約数ペア:

[(1, 2538900004), (2, 1269450002), (4, 634725001), (19, 133626316), (29, 87548276), (38, 66813158), (58, 43774138), (76, 33406579), (116, 21887069), (361, 7032964), (551, 4607804), (722, 3516482), (1102, 2303902), (1444, 1758241), (2204, 1151951), (3191, 795644), (6382, 397822), (6859, 370156), (10469, 242516), (12764, 198911), (13718, 185078), (20938, 121258), (27436, 92539), (41876, 60629)]