853990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 32

約数和(自身を含む): 1658880

約数和(自身を除く): 804890

約数列:

[1, 2, 5, 10, 23, 46, 47, 79, 94, 115, 158, 230, 235, 395, 470, 790, 1081, 1817, 2162, 3634, 3713, 5405, 7426, 9085, 10810, 18170, 18565, 37130, 85399, 170798, 426995, 853990]

約数ペア:

[(1, 853990), (2, 426995), (5, 170798), (10, 85399), (23, 37130), (46, 18565), (47, 18170), (79, 10810), (94, 9085), (115, 7426), (158, 5405), (230, 3713), (235, 3634), (395, 2162), (470, 1817), (790, 1081)]