279718870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{28283}}^1$

素因数の和:28356

約数の個数: 32

約数和(自身を含む): 537622272

約数和(自身を除く): 257903402

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 9890, 28283, 56566, 141415, 282830, 650509, 1216169, 1301018, 2432338, 3252545, 6080845, 6505090, 12161690, 27971887, 55943774, 139859435, 279718870]

約数ペア:

[(1, 279718870), (2, 139859435), (5, 55943774), (10, 27971887), (23, 12161690), (43, 6505090), (46, 6080845), (86, 3252545), (115, 2432338), (215, 1301018), (230, 1216169), (430, 650509), (989, 282830), (1978, 141415), (4945, 56566), (9890, 28283)]