31020310

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 57024000

約数和(自身を除く): 26003690

約数列:

[1, 2, 5, 10, 109, 149, 191, 218, 298, 382, 545, 745, 955, 1090, 1490, 1910, 16241, 20819, 28459, 32482, 41638, 56918, 81205, 104095, 142295, 162410, 208190, 284590, 3102031, 6204062, 15510155, 31020310]

約数ペア:

[(1, 31020310), (2, 15510155), (5, 6204062), (10, 3102031), (109, 284590), (149, 208190), (191, 162410), (218, 142295), (298, 104095), (382, 81205), (545, 56918), (745, 41638), (955, 32482), (1090, 28459), (1490, 20819), (1910, 16241)]