1284081940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1\times {\mathrm{3677}}^1$

素因数の和:4624

約数の個数: 48

約数和(自身を含む): 2842358400

約数和(自身を除く): 1558276460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 919, 1838, 3676, 3677, 4595, 7354, 9190, 14708, 17461, 18380, 18385, 34922, 36770, 69844, 69863, 73540, 87305, 139726, 174610, 279452, 349220, 349315, 698630, 1397260, 3379163, 6758326, 13516652, 16895815, 33791630, 64204097, 67583260, 128408194, 256816388, 321020485, 642040970, 1284081940]

約数ペア:

[(1, 1284081940), (2, 642040970), (4, 321020485), (5, 256816388), (10, 128408194), (19, 67583260), (20, 64204097), (38, 33791630), (76, 16895815), (95, 13516652), (190, 6758326), (380, 3379163), (919, 1397260), (1838, 698630), (3676, 349315), (3677, 349220), (4595, 279452), (7354, 174610), (9190, 139726), (14708, 87305), (17461, 73540), (18380, 69863), (18385, 69844), (34922, 36770)]