2791250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:69

約数の個数: 80

約数和(自身を含む): 6747840

約数和(自身を除く): 3956590

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 29, 35, 50, 55, 58, 70, 77, 110, 125, 145, 154, 175, 203, 250, 275, 290, 319, 350, 385, 406, 550, 625, 638, 725, 770, 875, 1015, 1250, 1375, 1450, 1595, 1750, 1925, 2030, 2233, 2750, 3190, 3625, 3850, 4375, 4466, 5075, 6875, 7250, 7975, 8750, 9625, 10150, 11165, 13750, 15950, 18125, 19250, 22330, 25375, 36250, 39875, 48125, 50750, 55825, 79750, 96250, 111650, 126875, 199375, 253750, 279125, 398750, 558250, 1395625, 2791250]

約数ペア:

[(1, 2791250), (2, 1395625), (5, 558250), (7, 398750), (10, 279125), (11, 253750), (14, 199375), (22, 126875), (25, 111650), (29, 96250), (35, 79750), (50, 55825), (55, 50750), (58, 48125), (70, 39875), (77, 36250), (110, 25375), (125, 22330), (145, 19250), (154, 18125), (175, 15950), (203, 13750), (250, 11165), (275, 10150), (290, 9625), (319, 8750), (350, 7975), (385, 7250), (406, 6875), (550, 5075), (625, 4466), (638, 4375), (725, 3850), (770, 3625), (875, 3190), (1015, 2750), (1250, 2233), (1375, 2030), (1450, 1925), (1595, 1750)]