260409396

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{1759}}^1$

素因数の和:1865

約数の個数: 72

約数和(自身を含む): 667349760

約数和(自身を除く): 406940364

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 73, 78, 146, 156, 169, 219, 292, 338, 438, 507, 676, 876, 949, 1014, 1759, 1898, 2028, 2847, 3518, 3796, 5277, 5694, 7036, 10554, 11388, 12337, 21108, 22867, 24674, 37011, 45734, 49348, 68601, 74022, 91468, 128407, 137202, 148044, 256814, 274404, 297271, 385221, 513628, 594542, 770442, 891813, 1189084, 1540884, 1669291, 1783626, 3338582, 3567252, 5007873, 6677164, 10015746, 20031492, 21700783, 43401566, 65102349, 86803132, 130204698, 260409396]

約数ペア:

[(1, 260409396), (2, 130204698), (3, 86803132), (4, 65102349), (6, 43401566), (12, 21700783), (13, 20031492), (26, 10015746), (39, 6677164), (52, 5007873), (73, 3567252), (78, 3338582), (146, 1783626), (156, 1669291), (169, 1540884), (219, 1189084), (292, 891813), (338, 770442), (438, 594542), (507, 513628), (676, 385221), (876, 297271), (949, 274404), (1014, 256814), (1759, 148044), (1898, 137202), (2028, 128407), (2847, 91468), (3518, 74022), (3796, 68601), (5277, 49348), (5694, 45734), (7036, 37011), (10554, 24674), (11388, 22867), (12337, 21108)]