1798006480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{13291}}^1$

素因数の和:13412

約数の個数: 80

約数和(自身を含む): 4450161600

約数和(自身を除く): 2652155120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 356, 380, 445, 712, 760, 890, 1424, 1520, 1691, 1780, 3382, 3560, 6764, 7120, 8455, 13291, 13528, 16910, 26582, 27056, 33820, 53164, 66455, 67640, 106328, 132910, 135280, 212656, 252529, 265820, 505058, 531640, 1010116, 1063280, 1182899, 1262645, 2020232, 2365798, 2525290, 4040464, 4731596, 5050580, 5914495, 9463192, 10101160, 11828990, 18926384, 20202320, 22475081, 23657980, 44950162, 47315960, 89900324, 94631920, 112375405, 179800648, 224750810, 359601296, 449501620, 899003240, 1798006480]

約数ペア:

[(1, 1798006480), (2, 899003240), (4, 449501620), (5, 359601296), (8, 224750810), (10, 179800648), (16, 112375405), (19, 94631920), (20, 89900324), (38, 47315960), (40, 44950162), (76, 23657980), (80, 22475081), (89, 20202320), (95, 18926384), (152, 11828990), (178, 10101160), (190, 9463192), (304, 5914495), (356, 5050580), (380, 4731596), (445, 4040464), (712, 2525290), (760, 2365798), (890, 2020232), (1424, 1262645), (1520, 1182899), (1691, 1063280), (1780, 1010116), (3382, 531640), (3560, 505058), (6764, 265820), (7120, 252529), (8455, 212656), (13291, 135280), (13528, 132910), (16910, 106328), (26582, 67640), (27056, 66455), (33820, 53164)]