219627740

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{40823}}^1$

素因数の和:41101

約数の個数: 24

約数和(自身を含む): 462944160

約数和(自身を除く): 243316420

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 40823, 81646, 163292, 204115, 408230, 816460, 10981387, 21962774, 43925548, 54906935, 109813870, 219627740]

約数ペア:

[(1, 219627740), (2, 109813870), (4, 54906935), (5, 43925548), (10, 21962774), (20, 10981387), (269, 816460), (538, 408230), (1076, 204115), (1345, 163292), (2690, 81646), (5380, 40823)]