3990380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10501}}^1$

素因数の和:10529

約数の個数: 24

約数和(自身を含む): 8821680

約数和(自身を除く): 4831300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 10501, 21002, 42004, 52505, 105010, 199519, 210020, 399038, 798076, 997595, 1995190, 3990380]

約数ペア:

[(1, 3990380), (2, 1995190), (4, 997595), (5, 798076), (10, 399038), (19, 210020), (20, 199519), (38, 105010), (76, 52505), (95, 42004), (190, 21002), (380, 10501)]