31791620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5281}}^1$

素因数の和:5340

約数の個数: 48

約数和(自身を含む): 78089088

約数和(自身を除く): 46297468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 5281, 6020, 10562, 21124, 26405, 36967, 52810, 73934, 105620, 147868, 184835, 227083, 369670, 454166, 739340, 908332, 1135415, 1589581, 2270830, 3179162, 4541660, 6358324, 7947905, 15895810, 31791620]

約数ペア:

[(1, 31791620), (2, 15895810), (4, 7947905), (5, 6358324), (7, 4541660), (10, 3179162), (14, 2270830), (20, 1589581), (28, 1135415), (35, 908332), (43, 739340), (70, 454166), (86, 369670), (140, 227083), (172, 184835), (215, 147868), (301, 105620), (430, 73934), (602, 52810), (860, 36967), (1204, 26405), (1505, 21124), (3010, 10562), (5281, 6020)]