72884380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191801}}^1$

素因数の和:191829

約数の個数: 24

約数和(自身を含む): 161113680

約数和(自身を除く): 88229300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 191801, 383602, 767204, 959005, 1918010, 3644219, 3836020, 7288438, 14576876, 18221095, 36442190, 72884380]

約数ペア:

[(1, 72884380), (2, 36442190), (4, 18221095), (5, 14576876), (10, 7288438), (19, 3836020), (20, 3644219), (38, 1918010), (76, 959005), (95, 767204), (190, 383602), (380, 191801)]