64216250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:249

約数の個数: 80

約数和(自身を含む): 141704640

約数和(自身を除く): 77488390

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 50, 70, 82, 125, 175, 179, 205, 250, 287, 350, 358, 410, 574, 625, 875, 895, 1025, 1250, 1253, 1435, 1750, 1790, 2050, 2506, 2870, 4375, 4475, 5125, 6265, 7175, 7339, 8750, 8950, 10250, 12530, 14350, 14678, 22375, 25625, 31325, 35875, 36695, 44750, 51250, 51373, 62650, 71750, 73390, 102746, 111875, 156625, 179375, 183475, 223750, 256865, 313250, 358750, 366950, 513730, 783125, 917375, 1284325, 1566250, 1834750, 2568650, 4586875, 6421625, 9173750, 12843250, 32108125, 64216250]

約数ペア:

[(1, 64216250), (2, 32108125), (5, 12843250), (7, 9173750), (10, 6421625), (14, 4586875), (25, 2568650), (35, 1834750), (41, 1566250), (50, 1284325), (70, 917375), (82, 783125), (125, 513730), (175, 366950), (179, 358750), (205, 313250), (250, 256865), (287, 223750), (350, 183475), (358, 179375), (410, 156625), (574, 111875), (625, 102746), (875, 73390), (895, 71750), (1025, 62650), (1250, 51373), (1253, 51250), (1435, 44750), (1750, 36695), (1790, 35875), (2050, 31325), (2506, 25625), (2870, 22375), (4375, 14678), (4475, 14350), (5125, 12530), (6265, 10250), (7175, 8950), (7339, 8750)]