3891880

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{653}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 8829000

約数和(自身を除く): 4937120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 653, 745, 1192, 1306, 1490, 2612, 2980, 3265, 5224, 5960, 6530, 13060, 26120, 97297, 194594, 389188, 486485, 778376, 972970, 1945940, 3891880]

約数ペア:

[(1, 3891880), (2, 1945940), (4, 972970), (5, 778376), (8, 486485), (10, 389188), (20, 194594), (40, 97297), (149, 26120), (298, 13060), (596, 6530), (653, 5960), (745, 5224), (1192, 3265), (1306, 2980), (1490, 2612)]