2912497525

素因数分解:

$5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{563}}^1$

素因数の和:731

約数の個数: 72

約数和(自身を含む): 4353096384

約数和(自身を除く): 1440598859

約数列:

[1, 5, 7, 25, 35, 41, 49, 103, 175, 205, 245, 287, 515, 563, 721, 1025, 1225, 1435, 2009, 2575, 2815, 3605, 3941, 4223, 5047, 7175, 10045, 14075, 18025, 19705, 21115, 23083, 25235, 27587, 29561, 50225, 57989, 98525, 105575, 115415, 126175, 137935, 147805, 161581, 206927, 289945, 405923, 577075, 689675, 739025, 807905, 1034635, 1131067, 1449725, 2029615, 2377549, 2841461, 4039525, 5173175, 5655335, 10148075, 11887745, 14207305, 16642843, 28276675, 59438725, 71036525, 83214215, 116499901, 416071075, 582499505, 2912497525]

約数ペア:

[(1, 2912497525), (5, 582499505), (7, 416071075), (25, 116499901), (35, 83214215), (41, 71036525), (49, 59438725), (103, 28276675), (175, 16642843), (205, 14207305), (245, 11887745), (287, 10148075), (515, 5655335), (563, 5173175), (721, 4039525), (1025, 2841461), (1225, 2377549), (1435, 2029615), (2009, 1449725), (2575, 1131067), (2815, 1034635), (3605, 807905), (3941, 739025), (4223, 689675), (5047, 577075), (7175, 405923), (10045, 289945), (14075, 206927), (18025, 161581), (19705, 147805), (21115, 137935), (23083, 126175), (25235, 115415), (27587, 105575), (29561, 98525), (50225, 57989)]