56902780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1429}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 131171040

約数和(自身を除く): 74268260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 1429, 1810, 1991, 2858, 3620, 3982, 5716, 7145, 7964, 9955, 14290, 15719, 19910, 28580, 31438, 39820, 62876, 78595, 157190, 258649, 314380, 517298, 1034596, 1293245, 2586490, 2845139, 5172980, 5690278, 11380556, 14225695, 28451390, 56902780]

約数ペア:

[(1, 56902780), (2, 28451390), (4, 14225695), (5, 11380556), (10, 5690278), (11, 5172980), (20, 2845139), (22, 2586490), (44, 1293245), (55, 1034596), (110, 517298), (181, 314380), (220, 258649), (362, 157190), (724, 78595), (905, 62876), (1429, 39820), (1810, 31438), (1991, 28580), (2858, 19910), (3620, 15719), (3982, 14290), (5716, 9955), (7145, 7964)]