8681330

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{2531}}^1$

素因数の和:2559

約数の個数: 32

約数和(自身を含む): 18230400

約数和(自身を除く): 9549070

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 2531, 3430, 5062, 12655, 17717, 25310, 35434, 88585, 124019, 177170, 248038, 620095, 868133, 1240190, 1736266, 4340665, 8681330]

約数ペア:

[(1, 8681330), (2, 4340665), (5, 1736266), (7, 1240190), (10, 868133), (14, 620095), (35, 248038), (49, 177170), (70, 124019), (98, 88585), (245, 35434), (343, 25310), (490, 17717), (686, 12655), (1715, 5062), (2531, 3430)]