31351000

素因数分解:

$2^3\times 5^3\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 74299680

約数和(自身を除く): 42948680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 125, 200, 214, 250, 293, 428, 500, 535, 586, 856, 1000, 1070, 1172, 1465, 2140, 2344, 2675, 2930, 4280, 5350, 5860, 7325, 10700, 11720, 13375, 14650, 21400, 26750, 29300, 31351, 36625, 53500, 58600, 62702, 73250, 107000, 125404, 146500, 156755, 250808, 293000, 313510, 627020, 783775, 1254040, 1567550, 3135100, 3918875, 6270200, 7837750, 15675500, 31351000]

約数ペア:

[(1, 31351000), (2, 15675500), (4, 7837750), (5, 6270200), (8, 3918875), (10, 3135100), (20, 1567550), (25, 1254040), (40, 783775), (50, 627020), (100, 313510), (107, 293000), (125, 250808), (200, 156755), (214, 146500), (250, 125404), (293, 107000), (428, 73250), (500, 62702), (535, 58600), (586, 53500), (856, 36625), (1000, 31351), (1070, 29300), (1172, 26750), (1465, 21400), (2140, 14650), (2344, 13375), (2675, 11720), (2930, 10700), (4280, 7325), (5350, 5860)]