779900980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2052371}}^1$

素因数の和:2052399

約数の個数: 24

約数和(自身を含む): 1723992480

約数和(自身を除く): 944091500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2052371, 4104742, 8209484, 10261855, 20523710, 38995049, 41047420, 77990098, 155980196, 194975245, 389950490, 779900980]

約数ペア:

[(1, 779900980), (2, 389950490), (4, 194975245), (5, 155980196), (10, 77990098), (19, 41047420), (20, 38995049), (38, 20523710), (76, 10261855), (95, 8209484), (190, 4104742), (380, 2052371)]