389436350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{409933}}^1$

素因数の和:409964

約数の個数: 24

約数和(自身を含む): 762477240

約数和(自身を除く): 373040890

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 409933, 819866, 2049665, 4099330, 7788727, 10248325, 15577454, 20496650, 38943635, 77887270, 194718175, 389436350]

約数ペア:

[(1, 389436350), (2, 194718175), (5, 77887270), (10, 38943635), (19, 20496650), (25, 15577454), (38, 10248325), (50, 7788727), (95, 4099330), (190, 2049665), (475, 819866), (950, 409933)]