78102820

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{26209}}^1$

素因数の和:26367

約数の個数: 24

約数和(自身を含む): 165123000

約数和(自身を除く): 87020180

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 26209, 52418, 104836, 131045, 262090, 524180, 3905141, 7810282, 15620564, 19525705, 39051410, 78102820]

約数ペア:

[(1, 78102820), (2, 39051410), (4, 19525705), (5, 15620564), (10, 7810282), (20, 3905141), (149, 524180), (298, 262090), (596, 131045), (745, 104836), (1490, 52418), (2980, 26209)]