85721825

素因数分解:

$5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 135705600

約数和(自身を除く): 49983775

約数列:

[1, 5, 7, 19, 25, 29, 35, 49, 95, 127, 133, 145, 175, 203, 245, 475, 551, 635, 665, 725, 889, 931, 1015, 1225, 1421, 2413, 2755, 3175, 3325, 3683, 3857, 4445, 4655, 5075, 6223, 7105, 12065, 13775, 16891, 18415, 19285, 22225, 23275, 25781, 26999, 31115, 35525, 60325, 69977, 84455, 92075, 96425, 118237, 128905, 134995, 155575, 180467, 349885, 422275, 489839, 591185, 644525, 674975, 902335, 1749425, 2449195, 2955925, 3428873, 4511675, 12245975, 17144365, 85721825]

約数ペア:

[(1, 85721825), (5, 17144365), (7, 12245975), (19, 4511675), (25, 3428873), (29, 2955925), (35, 2449195), (49, 1749425), (95, 902335), (127, 674975), (133, 644525), (145, 591185), (175, 489839), (203, 422275), (245, 349885), (475, 180467), (551, 155575), (635, 134995), (665, 128905), (725, 118237), (889, 96425), (931, 92075), (1015, 84455), (1225, 69977), (1421, 60325), (2413, 35525), (2755, 31115), (3175, 26999), (3325, 25781), (3683, 23275), (3857, 22225), (4445, 19285), (4655, 18415), (5075, 16891), (6223, 13775), (7105, 12065)]