2207320

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 5014800

約数和(自身を除く): 2807480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 397, 556, 695, 794, 1112, 1390, 1588, 1985, 2780, 3176, 3970, 5560, 7940, 15880, 55183, 110366, 220732, 275915, 441464, 551830, 1103660, 2207320]

約数ペア:

[(1, 2207320), (2, 1103660), (4, 551830), (5, 441464), (8, 275915), (10, 220732), (20, 110366), (40, 55183), (139, 15880), (278, 7940), (397, 5560), (556, 3970), (695, 3176), (794, 2780), (1112, 1985), (1390, 1588)]