319408060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{1789}}^1$

素因数の和:1990

約数の個数: 48

約数和(自身を含む): 685641600

約数和(自身を除く): 366233540

約数列:

[1, 2, 4, 5, 10, 20, 79, 113, 158, 226, 316, 395, 452, 565, 790, 1130, 1580, 1789, 2260, 3578, 7156, 8927, 8945, 17854, 17890, 35708, 35780, 44635, 89270, 141331, 178540, 202157, 282662, 404314, 565324, 706655, 808628, 1010785, 1413310, 2021570, 2826620, 4043140, 15970403, 31940806, 63881612, 79852015, 159704030, 319408060]

約数ペア:

[(1, 319408060), (2, 159704030), (4, 79852015), (5, 63881612), (10, 31940806), (20, 15970403), (79, 4043140), (113, 2826620), (158, 2021570), (226, 1413310), (316, 1010785), (395, 808628), (452, 706655), (565, 565324), (790, 404314), (1130, 282662), (1580, 202157), (1789, 178540), (2260, 141331), (3578, 89270), (7156, 44635), (8927, 35780), (8945, 35708), (17854, 17890)]