3215420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 7408800

約数和(自身を除く): 4193380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 149, 166, 260, 298, 332, 415, 596, 745, 830, 1079, 1490, 1660, 1937, 2158, 2980, 3874, 4316, 5395, 7748, 9685, 10790, 12367, 19370, 21580, 24734, 38740, 49468, 61835, 123670, 160771, 247340, 321542, 643084, 803855, 1607710, 3215420]

約数ペア:

[(1, 3215420), (2, 1607710), (4, 803855), (5, 643084), (10, 321542), (13, 247340), (20, 160771), (26, 123670), (52, 61835), (65, 49468), (83, 38740), (130, 24734), (149, 21580), (166, 19370), (260, 12367), (298, 10790), (332, 9685), (415, 7748), (596, 5395), (745, 4316), (830, 3874), (1079, 2980), (1490, 2158), (1660, 1937)]