128316565550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{229321}}^1$

素因数の和:229402

約数の個数: 72

約数和(自身を含む): 260018125632

約数和(自身を除く): 131701560082

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 155, 190, 310, 361, 475, 589, 722, 775, 950, 1178, 1550, 1805, 2945, 3610, 5890, 9025, 11191, 14725, 18050, 22382, 29450, 55955, 111910, 229321, 279775, 458642, 559550, 1146605, 2293210, 4357099, 5733025, 7108951, 8714198, 11466050, 14217902, 21785495, 35544755, 43570990, 71089510, 82784881, 108927475, 135070069, 165569762, 177723775, 217854950, 270140138, 355447550, 413924405, 675350345, 827848810, 1350700690, 2069622025, 2566331311, 3376751725, 4139244050, 5132662622, 6753503450, 12831656555, 25663313110, 64158282775, 128316565550]

約数ペア:

[(1, 128316565550), (2, 64158282775), (5, 25663313110), (10, 12831656555), (19, 6753503450), (25, 5132662622), (31, 4139244050), (38, 3376751725), (50, 2566331311), (62, 2069622025), (95, 1350700690), (155, 827848810), (190, 675350345), (310, 413924405), (361, 355447550), (475, 270140138), (589, 217854950), (722, 177723775), (775, 165569762), (950, 135070069), (1178, 108927475), (1550, 82784881), (1805, 71089510), (2945, 43570990), (3610, 35544755), (5890, 21785495), (9025, 14217902), (11191, 11466050), (14725, 8714198), (18050, 7108951), (22382, 5733025), (29450, 4357099), (55955, 2293210), (111910, 1146605), (229321, 559550), (279775, 458642)]