261105460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3943}}^1$

素因数の和:4013

約数の個数: 96

約数和(自身を含む): 699697152

約数和(自身を除く): 438591692

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 154, 172, 215, 220, 301, 308, 385, 430, 473, 602, 770, 860, 946, 1204, 1505, 1540, 1892, 2365, 3010, 3311, 3943, 4730, 6020, 6622, 7886, 9460, 13244, 15772, 16555, 19715, 27601, 33110, 39430, 43373, 55202, 66220, 78860, 86746, 110404, 138005, 169549, 173492, 216865, 276010, 303611, 339098, 433730, 552020, 607222, 678196, 847745, 867460, 1186843, 1214444, 1518055, 1695490, 1865039, 2373686, 3036110, 3390980, 3730078, 4747372, 5934215, 6072220, 7460156, 9325195, 11868430, 13055273, 18650390, 23736860, 26110546, 37300780, 52221092, 65276365, 130552730, 261105460]

約数ペア:

[(1, 261105460), (2, 130552730), (4, 65276365), (5, 52221092), (7, 37300780), (10, 26110546), (11, 23736860), (14, 18650390), (20, 13055273), (22, 11868430), (28, 9325195), (35, 7460156), (43, 6072220), (44, 5934215), (55, 4747372), (70, 3730078), (77, 3390980), (86, 3036110), (110, 2373686), (140, 1865039), (154, 1695490), (172, 1518055), (215, 1214444), (220, 1186843), (301, 867460), (308, 847745), (385, 678196), (430, 607222), (473, 552020), (602, 433730), (770, 339098), (860, 303611), (946, 276010), (1204, 216865), (1505, 173492), (1540, 169549), (1892, 138005), (2365, 110404), (3010, 86746), (3311, 78860), (3943, 66220), (4730, 55202), (6020, 43373), (6622, 39430), (7886, 33110), (9460, 27601), (13244, 19715), (15772, 16555)]