31516850

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 60987168

約数和(自身を除く): 29470318

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 107, 137, 214, 215, 274, 430, 535, 685, 1070, 1075, 1370, 2150, 2675, 3425, 4601, 5350, 5891, 6850, 9202, 11782, 14659, 23005, 29318, 29455, 46010, 58910, 73295, 115025, 146590, 147275, 230050, 294550, 366475, 630337, 732950, 1260674, 3151685, 6303370, 15758425, 31516850]

約数ペア:

[(1, 31516850), (2, 15758425), (5, 6303370), (10, 3151685), (25, 1260674), (43, 732950), (50, 630337), (86, 366475), (107, 294550), (137, 230050), (214, 147275), (215, 146590), (274, 115025), (430, 73295), (535, 58910), (685, 46010), (1070, 29455), (1075, 29318), (1370, 23005), (2150, 14659), (2675, 11782), (3425, 9202), (4601, 6850), (5350, 5891)]