71977690

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{509}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 132192000

約数和(自身を除く): 60214310

約数列:

[1, 2, 5, 10, 79, 158, 179, 358, 395, 509, 790, 895, 1018, 1790, 2545, 5090, 14141, 28282, 40211, 70705, 80422, 91111, 141410, 182222, 201055, 402110, 455555, 911110, 7197769, 14395538, 35988845, 71977690]

約数ペア:

[(1, 71977690), (2, 35988845), (5, 14395538), (10, 7197769), (79, 911110), (158, 455555), (179, 402110), (358, 201055), (395, 182222), (509, 141410), (790, 91111), (895, 80422), (1018, 70705), (1790, 40211), (2545, 28282), (5090, 14141)]