145289440

素因数分解:

$2^5\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1987}}^1$

素因数の和:2459

約数の個数: 48

約数和(自身を含む): 344170512

約数和(自身を除く): 198881072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 457, 914, 1828, 1987, 2285, 3656, 3974, 4570, 7312, 7948, 9140, 9935, 14624, 15896, 18280, 19870, 31792, 36560, 39740, 63584, 73120, 79480, 158960, 317920, 908059, 1816118, 3632236, 4540295, 7264472, 9080590, 14528944, 18161180, 29057888, 36322360, 72644720, 145289440]

約数ペア:

[(1, 145289440), (2, 72644720), (4, 36322360), (5, 29057888), (8, 18161180), (10, 14528944), (16, 9080590), (20, 7264472), (32, 4540295), (40, 3632236), (80, 1816118), (160, 908059), (457, 317920), (914, 158960), (1828, 79480), (1987, 73120), (2285, 63584), (3656, 39740), (3974, 36560), (4570, 31792), (7312, 19870), (7948, 18280), (9140, 15896), (9935, 14624)]