289318250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{89021}}^1$

素因数の和:89051

約数の個数: 32

約数和(自身を含む): 583272144

約数和(自身を除く): 293953894

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 89021, 178042, 445105, 890210, 1157273, 2225525, 2314546, 4451050, 5786365, 11127625, 11572730, 22255250, 28931825, 57863650, 144659125, 289318250]

約数ペア:

[(1, 289318250), (2, 144659125), (5, 57863650), (10, 28931825), (13, 22255250), (25, 11572730), (26, 11127625), (50, 5786365), (65, 4451050), (125, 2314546), (130, 2225525), (250, 1157273), (325, 890210), (650, 445105), (1625, 178042), (3250, 89021)]