221136760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2137}}^1$

素因数の和:2360

約数の個数: 64

約数和(自身を含む): 538776000

約数和(自身を除く): 317639240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 199, 260, 398, 520, 796, 995, 1592, 1990, 2137, 2587, 3980, 4274, 5174, 7960, 8548, 10348, 10685, 12935, 17096, 20696, 21370, 25870, 27781, 42740, 51740, 55562, 85480, 103480, 111124, 138905, 222248, 277810, 425263, 555620, 850526, 1111240, 1701052, 2126315, 3402104, 4252630, 5528419, 8505260, 11056838, 17010520, 22113676, 27642095, 44227352, 55284190, 110568380, 221136760]

約数ペア:

[(1, 221136760), (2, 110568380), (4, 55284190), (5, 44227352), (8, 27642095), (10, 22113676), (13, 17010520), (20, 11056838), (26, 8505260), (40, 5528419), (52, 4252630), (65, 3402104), (104, 2126315), (130, 1701052), (199, 1111240), (260, 850526), (398, 555620), (520, 425263), (796, 277810), (995, 222248), (1592, 138905), (1990, 111124), (2137, 103480), (2587, 85480), (3980, 55562), (4274, 51740), (5174, 42740), (7960, 27781), (8548, 25870), (10348, 21370), (10685, 20696), (12935, 17096)]