280043764

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{69941}}^1$

素因数の和:69976

約数の個数: 48

約数和(自身を含む): 658014336

約数和(自身を除く): 377970572

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 69941, 139882, 279764, 489587, 769351, 909233, 979174, 1538702, 1818466, 1958348, 3077404, 3636932, 5385457, 6364631, 10001563, 10770914, 12729262, 20003126, 21541828, 25458524, 40006252, 70010941, 140021882, 280043764]

約数ペア:

[(1, 280043764), (2, 140021882), (4, 70010941), (7, 40006252), (11, 25458524), (13, 21541828), (14, 20003126), (22, 12729262), (26, 10770914), (28, 10001563), (44, 6364631), (52, 5385457), (77, 3636932), (91, 3077404), (143, 1958348), (154, 1818466), (182, 1538702), (286, 979174), (308, 909233), (364, 769351), (572, 489587), (1001, 279764), (2002, 139882), (4004, 69941)]