870869275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 1185638400

約数和(自身を除く): 314769125

約数列:

[1, 5, 19, 25, 29, 95, 145, 191, 331, 475, 551, 725, 955, 1655, 2755, 3629, 4775, 5539, 6289, 8275, 9599, 13775, 18145, 27695, 31445, 47995, 63221, 90725, 105241, 138475, 157225, 182381, 239975, 316105, 526205, 911905, 1201199, 1580525, 1833409, 2631025, 4559525, 6005995, 9167045, 30029975, 34834771, 45835225, 174173855, 870869275]

約数ペア:

[(1, 870869275), (5, 174173855), (19, 45835225), (25, 34834771), (29, 30029975), (95, 9167045), (145, 6005995), (191, 4559525), (331, 2631025), (475, 1833409), (551, 1580525), (725, 1201199), (955, 911905), (1655, 526205), (2755, 316105), (3629, 239975), (4775, 182381), (5539, 157225), (6289, 138475), (8275, 105241), (9599, 90725), (13775, 63221), (18145, 47995), (27695, 31445)]