389285460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{720899}}^1$

素因数の和:720917

約数の個数: 48

約数和(自身を含む): 1211112000

約数和(自身を除く): 821826540

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, 720899, 1441798, 2162697, 2883596, 3604495, 4325394, 6488091, 7208990, 8650788, 10813485, 12976182, 14417980, 19464273, 21626970, 25952364, 32440455, 38928546, 43253940, 64880910, 77857092, 97321365, 129761820, 194642730, 389285460]

約数ペア:

[(1, 389285460), (2, 194642730), (3, 129761820), (4, 97321365), (5, 77857092), (6, 64880910), (9, 43253940), (10, 38928546), (12, 32440455), (15, 25952364), (18, 21626970), (20, 19464273), (27, 14417980), (30, 12976182), (36, 10813485), (45, 8650788), (54, 7208990), (60, 6488091), (90, 4325394), (108, 3604495), (135, 2883596), (180, 2162697), (270, 1441798), (540, 720899)]