208245060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{385639}}^1$

素因数の和:385657

約数の個数: 48

約数和(自身を含む): 647875200

約数和(自身を除く): 439630140

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, 385639, 771278, 1156917, 1542556, 1928195, 2313834, 3470751, 3856390, 4627668, 5784585, 6941502, 7712780, 10412253, 11569170, 13883004, 17353755, 20824506, 23138340, 34707510, 41649012, 52061265, 69415020, 104122530, 208245060]

約数ペア:

[(1, 208245060), (2, 104122530), (3, 69415020), (4, 52061265), (5, 41649012), (6, 34707510), (9, 23138340), (10, 20824506), (12, 17353755), (15, 13883004), (18, 11569170), (20, 10412253), (27, 7712780), (30, 6941502), (36, 5784585), (45, 4627668), (54, 3856390), (60, 3470751), (90, 2313834), (108, 1928195), (135, 1542556), (180, 1156917), (270, 771278), (540, 385639)]