15489740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{110641}}^1$

素因数の和:110657

約数の個数: 24

約数和(自身を含む): 37175712

約数和(自身を除く): 21685972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 110641, 221282, 442564, 553205, 774487, 1106410, 1548974, 2212820, 3097948, 3872435, 7744870, 15489740]

約数ペア:

[(1, 15489740), (2, 7744870), (4, 3872435), (5, 3097948), (7, 2212820), (10, 1548974), (14, 1106410), (20, 774487), (28, 553205), (35, 442564), (70, 221282), (140, 110641)]