886420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 2032128

約数和(自身を除く): 1145708

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 47, 82, 92, 94, 115, 164, 188, 205, 230, 235, 410, 460, 470, 820, 940, 943, 1081, 1886, 1927, 2162, 3772, 3854, 4324, 4715, 5405, 7708, 9430, 9635, 10810, 18860, 19270, 21620, 38540, 44321, 88642, 177284, 221605, 443210, 886420]

約数ペア:

[(1, 886420), (2, 443210), (4, 221605), (5, 177284), (10, 88642), (20, 44321), (23, 38540), (41, 21620), (46, 19270), (47, 18860), (82, 10810), (92, 9635), (94, 9430), (115, 7708), (164, 5405), (188, 4715), (205, 4324), (230, 3854), (235, 3772), (410, 2162), (460, 1927), (470, 1886), (820, 1081), (940, 943)]