71330500

素因数分解:

$2^2\times 5^3\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 156619008

約数和(自身を除く): 85288508

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 331, 431, 500, 662, 862, 1324, 1655, 1724, 2155, 3310, 4310, 6620, 8275, 8620, 10775, 16550, 21550, 33100, 41375, 43100, 53875, 82750, 107750, 142661, 165500, 215500, 285322, 570644, 713305, 1426610, 2853220, 3566525, 7133050, 14266100, 17832625, 35665250, 71330500]

約数ペア:

[(1, 71330500), (2, 35665250), (4, 17832625), (5, 14266100), (10, 7133050), (20, 3566525), (25, 2853220), (50, 1426610), (100, 713305), (125, 570644), (250, 285322), (331, 215500), (431, 165500), (500, 142661), (662, 107750), (862, 82750), (1324, 53875), (1655, 43100), (1724, 41375), (2155, 33100), (3310, 21550), (4310, 16550), (6620, 10775), (8275, 8620)]