1438961860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{10278299}}^1$

素因数の和:10278315

約数の個数: 24

約数和(自身を含む): 3453508800

約数和(自身を除く): 2014546940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 10278299, 20556598, 41113196, 51391495, 71948093, 102782990, 143896186, 205565980, 287792372, 359740465, 719480930, 1438961860]

約数ペア:

[(1, 1438961860), (2, 719480930), (4, 359740465), (5, 287792372), (7, 205565980), (10, 143896186), (14, 102782990), (20, 71948093), (28, 51391495), (35, 41113196), (70, 20556598), (140, 10278299)]