204757790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{660509}}^1$

素因数の和:660547

約数の個数: 16

約数和(自身を含む): 380453760

約数和(自身を除く): 175695970

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 660509, 1321018, 3302545, 6605090, 20475779, 40951558, 102378895, 204757790]

約数ペア:

[(1, 204757790), (2, 102378895), (5, 40951558), (10, 20475779), (31, 6605090), (62, 3302545), (155, 1321018), (310, 660509)]