220455420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{4051}}^1$

素因数の和:4970

約数の個数: 48

約数和(自身を含む): 618108288

約数和(自身を除く): 397652868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 907, 1814, 2721, 3628, 4051, 4535, 5442, 8102, 9070, 10884, 12153, 13605, 16204, 18140, 20255, 24306, 27210, 40510, 48612, 54420, 60765, 81020, 121530, 243060, 3674257, 7348514, 11022771, 14697028, 18371285, 22045542, 36742570, 44091084, 55113855, 73485140, 110227710, 220455420]

約数ペア:

[(1, 220455420), (2, 110227710), (3, 73485140), (4, 55113855), (5, 44091084), (6, 36742570), (10, 22045542), (12, 18371285), (15, 14697028), (20, 11022771), (30, 7348514), (60, 3674257), (907, 243060), (1814, 121530), (2721, 81020), (3628, 60765), (4051, 54420), (4535, 48612), (5442, 40510), (8102, 27210), (9070, 24306), (10884, 20255), (12153, 18140), (13605, 16204)]