7883972060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1\times {\mathrm{12149}}^1$

素因数の和:12686

約数の個数: 48

約数和(自身を含む): 16827652800

約数和(自身を除く): 8943680740

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 457, 710, 914, 1420, 1828, 2285, 4570, 9140, 12149, 24298, 32447, 48596, 60745, 64894, 121490, 129788, 162235, 242980, 324470, 648940, 862579, 1725158, 3450316, 4312895, 5552093, 8625790, 11104186, 17251580, 22208372, 27760465, 55520930, 111041860, 394198603, 788397206, 1576794412, 1970993015, 3941986030, 7883972060]

約数ペア:

[(1, 7883972060), (2, 3941986030), (4, 1970993015), (5, 1576794412), (10, 788397206), (20, 394198603), (71, 111041860), (142, 55520930), (284, 27760465), (355, 22208372), (457, 17251580), (710, 11104186), (914, 8625790), (1420, 5552093), (1828, 4312895), (2285, 3450316), (4570, 1725158), (9140, 862579), (12149, 648940), (24298, 324470), (32447, 242980), (48596, 162235), (60745, 129788), (64894, 121490)]