155510725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 214272000

約数和(自身を除く): 58761275

約数列:

[1, 5, 19, 25, 31, 59, 95, 155, 179, 295, 475, 589, 775, 895, 1121, 1475, 1829, 2945, 3401, 4475, 5549, 5605, 9145, 10561, 14725, 17005, 27745, 28025, 34751, 45725, 52805, 85025, 105431, 138725, 173755, 200659, 264025, 327391, 527155, 868775, 1003295, 1636955, 2635775, 5016475, 6220429, 8184775, 31102145, 155510725]

約数ペア:

[(1, 155510725), (5, 31102145), (19, 8184775), (25, 6220429), (31, 5016475), (59, 2635775), (95, 1636955), (155, 1003295), (179, 868775), (295, 527155), (475, 327391), (589, 264025), (775, 200659), (895, 173755), (1121, 138725), (1475, 105431), (1829, 85025), (2945, 52805), (3401, 45725), (4475, 34751), (5549, 28025), (5605, 27745), (9145, 17005), (10561, 14725)]