199971770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{2777}}^1$

素因数の和:3182

約数の個数: 32

約数和(自身を含む): 380030400

約数和(自身を除く): 180058630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 379, 758, 1895, 2777, 3790, 5554, 7201, 13885, 14402, 27770, 36005, 52763, 72010, 105526, 263815, 527630, 1052483, 2104966, 5262415, 10524830, 19997177, 39994354, 99985885, 199971770]

約数ペア:

[(1, 199971770), (2, 99985885), (5, 39994354), (10, 19997177), (19, 10524830), (38, 5262415), (95, 2104966), (190, 1052483), (379, 527630), (758, 263815), (1895, 105526), (2777, 72010), (3790, 52763), (5554, 36005), (7201, 27770), (13885, 14402)]