4396990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 8618400

約数和(自身を除く): 4221410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 227, 298, 454, 745, 1135, 1490, 1937, 2270, 2951, 3874, 5902, 9685, 14755, 19370, 29510, 33823, 67646, 169115, 338230, 439699, 879398, 2198495, 4396990]

約数ペア:

[(1, 4396990), (2, 2198495), (5, 879398), (10, 439699), (13, 338230), (26, 169115), (65, 67646), (130, 33823), (149, 29510), (227, 19370), (298, 14755), (454, 9685), (745, 5902), (1135, 3874), (1490, 2951), (1937, 2270)]