279352760

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{29221}}^1$

素因数の和:29471

約数の個数: 32

約数和(自身を含む): 631195200

約数和(自身を除く): 351842440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 29221, 58442, 116884, 146105, 233768, 292210, 584420, 1168840, 6983819, 13967638, 27935276, 34919095, 55870552, 69838190, 139676380, 279352760]

約数ペア:

[(1, 279352760), (2, 139676380), (4, 69838190), (5, 55870552), (8, 34919095), (10, 27935276), (20, 13967638), (40, 6983819), (239, 1168840), (478, 584420), (956, 292210), (1195, 233768), (1912, 146105), (2390, 116884), (4780, 58442), (9560, 29221)]