72912140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{2161}}^1$

素因数の和:2418

約数の個数: 48

約数和(自身を含む): 175796544

約数和(自身を除く): 102884404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 964, 1205, 1687, 2161, 2410, 3374, 4322, 4820, 6748, 8435, 8644, 10805, 15127, 16870, 21610, 30254, 33740, 43220, 60508, 75635, 151270, 302540, 520801, 1041602, 2083204, 2604005, 3645607, 5208010, 7291214, 10416020, 14582428, 18228035, 36456070, 72912140]

約数ペア:

[(1, 72912140), (2, 36456070), (4, 18228035), (5, 14582428), (7, 10416020), (10, 7291214), (14, 5208010), (20, 3645607), (28, 2604005), (35, 2083204), (70, 1041602), (140, 520801), (241, 302540), (482, 151270), (964, 75635), (1205, 60508), (1687, 43220), (2161, 33740), (2410, 30254), (3374, 21610), (4322, 16870), (4820, 15127), (6748, 10805), (8435, 8644)]