278800812

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:540

約数の個数: 96

約数和(自身を含む): 742210560

約数和(自身を除く): 463409748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 103, 108, 142, 206, 213, 284, 309, 353, 412, 426, 618, 639, 706, 852, 927, 1059, 1236, 1278, 1412, 1854, 1917, 2118, 2556, 2781, 3177, 3708, 3834, 4236, 5562, 6354, 7313, 7668, 9531, 11124, 12708, 14626, 19062, 21939, 25063, 29252, 36359, 38124, 43878, 50126, 65817, 72718, 75189, 87756, 100252, 109077, 131634, 145436, 150378, 197451, 218154, 225567, 263268, 300756, 327231, 394902, 436308, 451134, 654462, 676701, 789804, 902268, 981693, 1308924, 1353402, 1963386, 2581489, 2706804, 3926772, 5162978, 7744467, 10325956, 15488934, 23233401, 30977868, 46466802, 69700203, 92933604, 139400406, 278800812]

約数ペア:

[(1, 278800812), (2, 139400406), (3, 92933604), (4, 69700203), (6, 46466802), (9, 30977868), (12, 23233401), (18, 15488934), (27, 10325956), (36, 7744467), (54, 5162978), (71, 3926772), (103, 2706804), (108, 2581489), (142, 1963386), (206, 1353402), (213, 1308924), (284, 981693), (309, 902268), (353, 789804), (412, 676701), (426, 654462), (618, 451134), (639, 436308), (706, 394902), (852, 327231), (927, 300756), (1059, 263268), (1236, 225567), (1278, 218154), (1412, 197451), (1854, 150378), (1917, 145436), (2118, 131634), (2556, 109077), (2781, 100252), (3177, 87756), (3708, 75189), (3834, 72718), (4236, 65817), (5562, 50126), (6354, 43878), (7313, 38124), (7668, 36359), (9531, 29252), (11124, 25063), (12708, 21939), (14626, 19062)]