131780810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{43781}}^1$

素因数の和:43838

約数の個数: 32

約数和(自身を含む): 277402752

約数和(自身を除く): 145621942

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 43781, 87562, 218905, 306467, 437810, 612934, 1532335, 1882583, 3064670, 3765166, 9412915, 13178081, 18825830, 26356162, 65890405, 131780810]

約数ペア:

[(1, 131780810), (2, 65890405), (5, 26356162), (7, 18825830), (10, 13178081), (14, 9412915), (35, 3765166), (43, 3064670), (70, 1882583), (86, 1532335), (215, 612934), (301, 437810), (430, 306467), (602, 218905), (1505, 87562), (3010, 43781)]