74728120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{39749}}^1$

素因数の和:39807

約数の個数: 32

約数和(自身を含む): 171720000

約数和(自身を除く): 96991880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 39749, 79498, 158996, 198745, 317992, 397490, 794980, 1589960, 1868203, 3736406, 7472812, 9341015, 14945624, 18682030, 37364060, 74728120]

約数ペア:

[(1, 74728120), (2, 37364060), (4, 18682030), (5, 14945624), (8, 9341015), (10, 7472812), (20, 3736406), (40, 1868203), (47, 1589960), (94, 794980), (188, 397490), (235, 317992), (376, 198745), (470, 158996), (940, 79498), (1880, 39749)]