291628625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 420526080

約数和(自身を除く): 128897455

約数列:

[1, 5, 17, 19, 25, 31, 85, 95, 125, 155, 233, 323, 425, 475, 527, 589, 775, 1165, 1615, 2125, 2375, 2635, 2945, 3875, 3961, 4427, 5825, 7223, 8075, 10013, 13175, 14725, 19805, 22135, 29125, 36115, 40375, 50065, 65875, 73625, 75259, 99025, 110675, 122791, 137237, 180575, 250325, 376295, 495125, 553375, 613955, 686185, 902875, 1251625, 1881475, 2333029, 3069775, 3430925, 9407375, 11665145, 15348875, 17154625, 58325725, 291628625]

約数ペア:

[(1, 291628625), (5, 58325725), (17, 17154625), (19, 15348875), (25, 11665145), (31, 9407375), (85, 3430925), (95, 3069775), (125, 2333029), (155, 1881475), (233, 1251625), (323, 902875), (425, 686185), (475, 613955), (527, 553375), (589, 495125), (775, 376295), (1165, 250325), (1615, 180575), (2125, 137237), (2375, 122791), (2635, 110675), (2945, 99025), (3875, 75259), (3961, 73625), (4427, 65875), (5825, 50065), (7223, 40375), (8075, 36115), (10013, 29125), (13175, 22135), (14725, 19805)]