228570920

素因数分解:

$2^3\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{5209}}^1$

素因数の和:6317

約数の個数: 32

約数和(自身を含む): 514852200

約数和(自身を除く): 286281280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1097, 2194, 4388, 5209, 5485, 8776, 10418, 10970, 20836, 21940, 26045, 41672, 43880, 52090, 104180, 208360, 5714273, 11428546, 22857092, 28571365, 45714184, 57142730, 114285460, 228570920]

約数ペア:

[(1, 228570920), (2, 114285460), (4, 57142730), (5, 45714184), (8, 28571365), (10, 22857092), (20, 11428546), (40, 5714273), (1097, 208360), (2194, 104180), (4388, 52090), (5209, 43880), (5485, 41672), (8776, 26045), (10418, 21940), (10970, 20836)]