4152140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 9295104

約数和(自身を除く): 5142964

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 181, 185, 310, 362, 370, 620, 724, 740, 905, 1147, 1810, 2294, 3620, 4588, 5611, 5735, 6697, 11222, 11470, 13394, 22444, 22940, 26788, 28055, 33485, 56110, 66970, 112220, 133940, 207607, 415214, 830428, 1038035, 2076070, 4152140]

約数ペア:

[(1, 4152140), (2, 2076070), (4, 1038035), (5, 830428), (10, 415214), (20, 207607), (31, 133940), (37, 112220), (62, 66970), (74, 56110), (124, 33485), (148, 28055), (155, 26788), (181, 22940), (185, 22444), (310, 13394), (362, 11470), (370, 11222), (620, 6697), (724, 5735), (740, 5611), (905, 4588), (1147, 3620), (1810, 2294)]