81500230

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23761}}^1$

素因数の和:23789

約数の個数: 32

約数和(自身を含む): 171086400

約数和(自身を除く): 89586170

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 23761, 47522, 118805, 166327, 237610, 332654, 831635, 1164289, 1663270, 2328578, 5821445, 8150023, 11642890, 16300046, 40750115, 81500230]

約数ペア:

[(1, 81500230), (2, 40750115), (5, 16300046), (7, 11642890), (10, 8150023), (14, 5821445), (35, 2328578), (49, 1663270), (70, 1164289), (98, 831635), (245, 332654), (343, 237610), (490, 166327), (686, 118805), (1715, 47522), (3430, 23761)]