693980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4957}}^1$

素因数の和:4973

約数の個数: 24

約数和(自身を含む): 1665888

約数和(自身を除く): 971908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4957, 9914, 19828, 24785, 34699, 49570, 69398, 99140, 138796, 173495, 346990, 693980]

約数ペア:

[(1, 693980), (2, 346990), (4, 173495), (5, 138796), (7, 99140), (10, 69398), (14, 49570), (20, 34699), (28, 24785), (35, 19828), (70, 9914), (140, 4957)]