142714280

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{12697}}^1$

素因数の和:12989

約数の個数: 32

約数和(自身を含む): 322275240

約数和(自身を除く): 179560960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 11240, 12697, 25394, 50788, 63485, 101576, 126970, 253940, 507880, 3567857, 7135714, 14271428, 17839285, 28542856, 35678570, 71357140, 142714280]

約数ペア:

[(1, 142714280), (2, 71357140), (4, 35678570), (5, 28542856), (8, 17839285), (10, 14271428), (20, 7135714), (40, 3567857), (281, 507880), (562, 253940), (1124, 126970), (1405, 101576), (2248, 63485), (2810, 50788), (5620, 25394), (11240, 12697)]