68243980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487457}}^1$

素因数の和:487473

約数の個数: 24

約数和(自身を含む): 163785888

約数和(自身を除く): 95541908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487457, 974914, 1949828, 2437285, 3412199, 4874570, 6824398, 9749140, 13648796, 17060995, 34121990, 68243980]

約数ペア:

[(1, 68243980), (2, 34121990), (4, 17060995), (5, 13648796), (7, 9749140), (10, 6824398), (14, 4874570), (20, 3412199), (28, 2437285), (35, 1949828), (70, 974914), (140, 487457)]