209883420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{388673}}^1$

素因数の和:388691

約数の個数: 48

約数和(自身を含む): 652972320

約数和(自身を除く): 443088900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 388673, 777346, 1166019, 1554692, 1943365, 2332038, 3498057, 3886730, 4664076, 5830095, 6996114, 7773460, 10494171, 11660190, 13992228, 17490285, 20988342, 23320380, 34980570, 41976684, 52470855, 69961140, 104941710, 209883420]

約数ペア:

[(1, 209883420), (2, 104941710), (3, 69961140), (4, 52470855), (5, 41976684), (6, 34980570), (9, 23320380), (10, 20988342), (12, 17490285), (15, 13992228), (18, 11660190), (20, 10494171), (27, 7773460), (30, 6996114), (36, 5830095), (45, 4664076), (54, 3886730), (60, 3498057), (90, 2332038), (108, 1943365), (135, 1554692), (180, 1166019), (270, 777346), (540, 388673)]