81142850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1907}}^1$

素因数の和:1979

約数の個数: 48

約数和(自身を含む): 161828928

約数和(自身を除く): 80686078

約数列:

[1, 2, 5, 10, 23, 25, 37, 46, 50, 74, 115, 185, 230, 370, 575, 851, 925, 1150, 1702, 1850, 1907, 3814, 4255, 8510, 9535, 19070, 21275, 42550, 43861, 47675, 70559, 87722, 95350, 141118, 219305, 352795, 438610, 705590, 1096525, 1622857, 1763975, 2193050, 3245714, 3527950, 8114285, 16228570, 40571425, 81142850]

約数ペア:

[(1, 81142850), (2, 40571425), (5, 16228570), (10, 8114285), (23, 3527950), (25, 3245714), (37, 2193050), (46, 1763975), (50, 1622857), (74, 1096525), (115, 705590), (185, 438610), (230, 352795), (370, 219305), (575, 141118), (851, 95350), (925, 87722), (1150, 70559), (1702, 47675), (1850, 43861), (1907, 42550), (3814, 21275), (4255, 19070), (8510, 9535)]