43290460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 93240000

約数和(自身を除く): 49949540

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 149, 199, 292, 298, 365, 398, 596, 730, 745, 796, 995, 1460, 1490, 1990, 2980, 3980, 10877, 14527, 21754, 29054, 29651, 43508, 54385, 58108, 59302, 72635, 108770, 118604, 145270, 148255, 217540, 290540, 296510, 593020, 2164523, 4329046, 8658092, 10822615, 21645230, 43290460]

約数ペア:

[(1, 43290460), (2, 21645230), (4, 10822615), (5, 8658092), (10, 4329046), (20, 2164523), (73, 593020), (146, 296510), (149, 290540), (199, 217540), (292, 148255), (298, 145270), (365, 118604), (398, 108770), (596, 72635), (730, 59302), (745, 58108), (796, 54385), (995, 43508), (1460, 29651), (1490, 29054), (1990, 21754), (2980, 14527), (3980, 10877)]