31213420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{222953}}^1$

素因数の和:222969

約数の個数: 24

約数和(自身を含む): 74912544

約数和(自身を除く): 43699124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 222953, 445906, 891812, 1114765, 1560671, 2229530, 3121342, 4459060, 6242684, 7803355, 15606710, 31213420]

約数ペア:

[(1, 31213420), (2, 15606710), (4, 7803355), (5, 6242684), (7, 4459060), (10, 3121342), (14, 2229530), (20, 1560671), (28, 1114765), (35, 891812), (70, 445906), (140, 222953)]