280147952

素因数分解:

$2^4\times 7^1\times {\mathrm{521}}^1\times {\mathrm{4801}}^1$

素因数の和:5337

約数の個数: 40

約数和(自身を含む): 621647712

約数和(自身を除く): 341499760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 521, 1042, 2084, 3647, 4168, 4801, 7294, 8336, 9602, 14588, 19204, 29176, 33607, 38408, 58352, 67214, 76816, 134428, 268856, 537712, 2501321, 5002642, 10005284, 17509247, 20010568, 35018494, 40021136, 70036988, 140073976, 280147952]

約数ペア:

[(1, 280147952), (2, 140073976), (4, 70036988), (7, 40021136), (8, 35018494), (14, 20010568), (16, 17509247), (28, 10005284), (56, 5002642), (112, 2501321), (521, 537712), (1042, 268856), (2084, 134428), (3647, 76816), (4168, 67214), (4801, 58352), (7294, 38408), (8336, 33607), (9602, 29176), (14588, 19204)]