28611420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1697}}^1$

素因数の和:1990

約数の個数: 48

約数和(自身を含む): 80444448

約数和(自身を除く): 51833028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 281, 562, 843, 1124, 1405, 1686, 1697, 2810, 3372, 3394, 4215, 5091, 5620, 6788, 8430, 8485, 10182, 16860, 16970, 20364, 25455, 33940, 50910, 101820, 476857, 953714, 1430571, 1907428, 2384285, 2861142, 4768570, 5722284, 7152855, 9537140, 14305710, 28611420]

約数ペア:

[(1, 28611420), (2, 14305710), (3, 9537140), (4, 7152855), (5, 5722284), (6, 4768570), (10, 2861142), (12, 2384285), (15, 1907428), (20, 1430571), (30, 953714), (60, 476857), (281, 101820), (562, 50910), (843, 33940), (1124, 25455), (1405, 20364), (1686, 16970), (1697, 16860), (2810, 10182), (3372, 8485), (3394, 8430), (4215, 6788), (5091, 5620)]