852028540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{21397}}^1$

素因数の和:21598

約数の個数: 48

約数和(自身を含む): 1962795744

約数和(自身を除く): 1110767204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 1810, 1991, 3620, 3982, 7964, 9955, 19910, 21397, 39820, 42794, 85588, 106985, 213970, 235367, 427940, 470734, 941468, 1176835, 2353670, 3872857, 4707340, 7745714, 15491428, 19364285, 38728570, 42601427, 77457140, 85202854, 170405708, 213007135, 426014270, 852028540]

約数ペア:

[(1, 852028540), (2, 426014270), (4, 213007135), (5, 170405708), (10, 85202854), (11, 77457140), (20, 42601427), (22, 38728570), (44, 19364285), (55, 15491428), (110, 7745714), (181, 4707340), (220, 3872857), (362, 2353670), (724, 1176835), (905, 941468), (1810, 470734), (1991, 427940), (3620, 235367), (3982, 213970), (7964, 106985), (9955, 85588), (19910, 42794), (21397, 39820)]