552380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 1179360

約数和(自身を除く): 626980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 389, 710, 778, 1420, 1556, 1945, 3890, 7780, 27619, 55238, 110476, 138095, 276190, 552380]

約数ペア:

[(1, 552380), (2, 276190), (4, 138095), (5, 110476), (10, 55238), (20, 27619), (71, 7780), (142, 3890), (284, 1945), (355, 1556), (389, 1420), (710, 778)]