71918750

素因数分解:

$2^1\times 5^5\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 138928608

約数和(自身を除く): 67009858

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 311, 370, 622, 625, 925, 1250, 1555, 1850, 3110, 3125, 4625, 6250, 7775, 9250, 11507, 15550, 23014, 23125, 38875, 46250, 57535, 77750, 115070, 115625, 194375, 231250, 287675, 388750, 575350, 971875, 1438375, 1943750, 2876750, 7191875, 14383750, 35959375, 71918750]

約数ペア:

[(1, 71918750), (2, 35959375), (5, 14383750), (10, 7191875), (25, 2876750), (37, 1943750), (50, 1438375), (74, 971875), (125, 575350), (185, 388750), (250, 287675), (311, 231250), (370, 194375), (622, 115625), (625, 115070), (925, 77750), (1250, 57535), (1555, 46250), (1850, 38875), (3110, 23125), (3125, 23014), (4625, 15550), (6250, 11507), (7775, 9250)]