70858000

素因数分解:

$2^4\times 5^3\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:593

約数の個数: 80

約数和(自身を含む): 174096000

約数和(自身を除く): 103238000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 125, 142, 200, 250, 284, 355, 400, 499, 500, 568, 710, 998, 1000, 1136, 1420, 1775, 1996, 2000, 2495, 2840, 3550, 3992, 4990, 5680, 7100, 7984, 8875, 9980, 12475, 14200, 17750, 19960, 24950, 28400, 35429, 35500, 39920, 49900, 62375, 70858, 71000, 99800, 124750, 141716, 142000, 177145, 199600, 249500, 283432, 354290, 499000, 566864, 708580, 885725, 998000, 1417160, 1771450, 2834320, 3542900, 4428625, 7085800, 8857250, 14171600, 17714500, 35429000, 70858000]

約数ペア:

[(1, 70858000), (2, 35429000), (4, 17714500), (5, 14171600), (8, 8857250), (10, 7085800), (16, 4428625), (20, 3542900), (25, 2834320), (40, 1771450), (50, 1417160), (71, 998000), (80, 885725), (100, 708580), (125, 566864), (142, 499000), (200, 354290), (250, 283432), (284, 249500), (355, 199600), (400, 177145), (499, 142000), (500, 141716), (568, 124750), (710, 99800), (998, 71000), (1000, 70858), (1136, 62375), (1420, 49900), (1775, 39920), (1996, 35500), (2000, 35429), (2495, 28400), (2840, 24950), (3550, 19960), (3992, 17750), (4990, 14200), (5680, 12475), (7100, 9980), (7984, 8875)]