2521750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 5930496

約数和(自身を除く): 3408746

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 125, 131, 154, 175, 250, 262, 275, 350, 385, 550, 655, 770, 875, 917, 1310, 1375, 1441, 1750, 1834, 1925, 2750, 2882, 3275, 3850, 4585, 6550, 7205, 9170, 9625, 10087, 14410, 16375, 19250, 20174, 22925, 32750, 36025, 45850, 50435, 72050, 100870, 114625, 180125, 229250, 252175, 360250, 504350, 1260875, 2521750]

約数ペア:

[(1, 2521750), (2, 1260875), (5, 504350), (7, 360250), (10, 252175), (11, 229250), (14, 180125), (22, 114625), (25, 100870), (35, 72050), (50, 50435), (55, 45850), (70, 36025), (77, 32750), (110, 22925), (125, 20174), (131, 19250), (154, 16375), (175, 14410), (250, 10087), (262, 9625), (275, 9170), (350, 7205), (385, 6550), (550, 4585), (655, 3850), (770, 3275), (875, 2882), (917, 2750), (1310, 1925), (1375, 1834), (1441, 1750)]