31387930

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{9151}}^1$

素因数の和:9179

約数の個数: 32

約数和(自身を含む): 65894400

約数和(自身を除く): 34506470

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 9151, 18302, 45755, 64057, 91510, 128114, 320285, 448399, 640570, 896798, 2241995, 3138793, 4483990, 6277586, 15693965, 31387930]

約数ペア:

[(1, 31387930), (2, 15693965), (5, 6277586), (7, 4483990), (10, 3138793), (14, 2241995), (35, 896798), (49, 640570), (70, 448399), (98, 320285), (245, 128114), (343, 91510), (490, 64057), (686, 45755), (1715, 18302), (3430, 9151)]