177682780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{2131}}^1$

素因数の和:2530

約数の個数: 48

約数和(自身を含む): 408320640

約数和(自身を除く): 230637860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 379, 758, 1516, 1895, 2131, 3790, 4169, 4262, 7580, 8338, 8524, 10655, 16676, 20845, 21310, 23441, 41690, 42620, 46882, 83380, 93764, 117205, 234410, 468820, 807649, 1615298, 3230596, 4038245, 8076490, 8884139, 16152980, 17768278, 35536556, 44420695, 88841390, 177682780]

約数ペア:

[(1, 177682780), (2, 88841390), (4, 44420695), (5, 35536556), (10, 17768278), (11, 16152980), (20, 8884139), (22, 8076490), (44, 4038245), (55, 3230596), (110, 1615298), (220, 807649), (379, 468820), (758, 234410), (1516, 117205), (1895, 93764), (2131, 83380), (3790, 46882), (4169, 42620), (4262, 41690), (7580, 23441), (8338, 21310), (8524, 20845), (10655, 16676)]