1400860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 2978640

約数和(自身を除く): 1577780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 787, 890, 1574, 1780, 3148, 3935, 7870, 15740, 70043, 140086, 280172, 350215, 700430, 1400860]

約数ペア:

[(1, 1400860), (2, 700430), (4, 350215), (5, 280172), (10, 140086), (20, 70043), (89, 15740), (178, 7870), (356, 3935), (445, 3148), (787, 1780), (890, 1574)]