1945940

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{653}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 4120200

約数和(自身を除く): 2174260

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 653, 745, 1306, 1490, 2612, 2980, 3265, 6530, 13060, 97297, 194594, 389188, 486485, 972970, 1945940]

約数ペア:

[(1, 1945940), (2, 972970), (4, 486485), (5, 389188), (10, 194594), (20, 97297), (149, 13060), (298, 6530), (596, 3265), (653, 2980), (745, 2612), (1306, 1490)]