74697880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 173780640

約数和(自身を除く): 99082760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 137, 172, 215, 274, 317, 344, 430, 548, 634, 685, 860, 1096, 1268, 1370, 1585, 1720, 2536, 2740, 3170, 5480, 5891, 6340, 11782, 12680, 13631, 23564, 27262, 29455, 43429, 47128, 54524, 58910, 68155, 86858, 109048, 117820, 136310, 173716, 217145, 235640, 272620, 347432, 434290, 545240, 868580, 1737160, 1867447, 3734894, 7469788, 9337235, 14939576, 18674470, 37348940, 74697880]

約数ペア:

[(1, 74697880), (2, 37348940), (4, 18674470), (5, 14939576), (8, 9337235), (10, 7469788), (20, 3734894), (40, 1867447), (43, 1737160), (86, 868580), (137, 545240), (172, 434290), (215, 347432), (274, 272620), (317, 235640), (344, 217145), (430, 173716), (548, 136310), (634, 117820), (685, 109048), (860, 86858), (1096, 68155), (1268, 58910), (1370, 54524), (1585, 47128), (1720, 43429), (2536, 29455), (2740, 27262), (3170, 23564), (5480, 13631), (5891, 12680), (6340, 11782)]