78002990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{4027}}^1$

素因数の和:4196

約数の個数: 32

約数和(自身を含む): 152258400

約数和(自身を除く): 74255410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 4027, 8054, 9685, 19370, 20135, 40270, 52351, 104702, 261755, 523510, 600023, 1200046, 3000115, 6000230, 7800299, 15600598, 39001495, 78002990]

約数ペア:

[(1, 78002990), (2, 39001495), (5, 15600598), (10, 7800299), (13, 6000230), (26, 3000115), (65, 1200046), (130, 600023), (149, 523510), (298, 261755), (745, 104702), (1490, 52351), (1937, 40270), (3874, 20135), (4027, 19370), (8054, 9685)]