7172860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 15876000

約数和(自身を除く): 8703140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 83, 116, 145, 149, 166, 290, 298, 332, 415, 580, 596, 745, 830, 1490, 1660, 2407, 2980, 4321, 4814, 8642, 9628, 12035, 12367, 17284, 21605, 24070, 24734, 43210, 48140, 49468, 61835, 86420, 123670, 247340, 358643, 717286, 1434572, 1793215, 3586430, 7172860]

約数ペア:

[(1, 7172860), (2, 3586430), (4, 1793215), (5, 1434572), (10, 717286), (20, 358643), (29, 247340), (58, 123670), (83, 86420), (116, 61835), (145, 49468), (149, 48140), (166, 43210), (290, 24734), (298, 24070), (332, 21605), (415, 17284), (580, 12367), (596, 12035), (745, 9628), (830, 8642), (1490, 4814), (1660, 4321), (2407, 2980)]