219841760

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5749}}^1$

素因数の和:6003

約数の個数: 48

約数和(自身を含む): 521640000

約数和(自身を除く): 301798240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 5749, 7648, 9560, 11498, 19120, 22996, 28745, 38240, 45992, 57490, 91984, 114980, 183968, 229960, 459920, 919840, 1374011, 2748022, 5496044, 6870055, 10992088, 13740110, 21984176, 27480220, 43968352, 54960440, 109920880, 219841760]

約数ペア:

[(1, 219841760), (2, 109920880), (4, 54960440), (5, 43968352), (8, 27480220), (10, 21984176), (16, 13740110), (20, 10992088), (32, 6870055), (40, 5496044), (80, 2748022), (160, 1374011), (239, 919840), (478, 459920), (956, 229960), (1195, 183968), (1912, 114980), (2390, 91984), (3824, 57490), (4780, 45992), (5749, 38240), (7648, 28745), (9560, 22996), (11498, 19120)]