278764884

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3739}}^1$

素因数の和:3877

約数の個数: 72

約数和(自身を含む): 748748000

約数和(自身を除く): 469983116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 109, 114, 171, 218, 228, 327, 342, 436, 654, 684, 981, 1308, 1962, 2071, 3739, 3924, 4142, 6213, 7478, 8284, 11217, 12426, 14956, 18639, 22434, 24852, 33651, 37278, 44868, 67302, 71041, 74556, 134604, 142082, 213123, 284164, 407551, 426246, 639369, 815102, 852492, 1222653, 1278738, 1630204, 2445306, 2557476, 3667959, 4890612, 7335918, 7743469, 14671836, 15486938, 23230407, 30973876, 46460814, 69691221, 92921628, 139382442, 278764884]

約数ペア:

[(1, 278764884), (2, 139382442), (3, 92921628), (4, 69691221), (6, 46460814), (9, 30973876), (12, 23230407), (18, 15486938), (19, 14671836), (36, 7743469), (38, 7335918), (57, 4890612), (76, 3667959), (109, 2557476), (114, 2445306), (171, 1630204), (218, 1278738), (228, 1222653), (327, 852492), (342, 815102), (436, 639369), (654, 426246), (684, 407551), (981, 284164), (1308, 213123), (1962, 142082), (2071, 134604), (3739, 74556), (3924, 71041), (4142, 67302), (6213, 44868), (7478, 37278), (8284, 33651), (11217, 24852), (12426, 22434), (14956, 18639)]