215218500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:331

約数の個数: 192

約数和(自身を含む): 726835200

約数和(自身を除く): 511616700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 103, 105, 125, 140, 150, 175, 199, 206, 210, 250, 300, 309, 350, 375, 398, 412, 420, 500, 515, 525, 597, 618, 700, 721, 750, 796, 875, 995, 1030, 1050, 1194, 1236, 1393, 1442, 1500, 1545, 1750, 1990, 2060, 2100, 2163, 2388, 2575, 2625, 2786, 2884, 2985, 3090, 3500, 3605, 3980, 4179, 4326, 4975, 5150, 5250, 5572, 5970, 6180, 6965, 7210, 7725, 8358, 8652, 9950, 10300, 10500, 10815, 11940, 12875, 13930, 14420, 14925, 15450, 16716, 18025, 19900, 20497, 20895, 21630, 24875, 25750, 27860, 29850, 30900, 34825, 36050, 38625, 40994, 41790, 43260, 49750, 51500, 54075, 59700, 61491, 69650, 72100, 74625, 77250, 81988, 83580, 90125, 99500, 102485, 104475, 108150, 122982, 139300, 143479, 149250, 154500, 174125, 180250, 204970, 208950, 216300, 245964, 270375, 286958, 298500, 307455, 348250, 360500, 409940, 417900, 430437, 512425, 522375, 540750, 573916, 614910, 696500, 717395, 860874, 1024850, 1044750, 1081500, 1229820, 1434790, 1537275, 1721748, 2049700, 2089500, 2152185, 2562125, 2869580, 3074550, 3586975, 4304370, 5124250, 6149100, 7173950, 7686375, 8608740, 10248500, 10760925, 14347900, 15372750, 17934875, 21521850, 30745500, 35869750, 43043700, 53804625, 71739500, 107609250, 215218500]

約数ペア:

[(1, 215218500), (2, 107609250), (3, 71739500), (4, 53804625), (5, 43043700), (6, 35869750), (7, 30745500), (10, 21521850), (12, 17934875), (14, 15372750), (15, 14347900), (20, 10760925), (21, 10248500), (25, 8608740), (28, 7686375), (30, 7173950), (35, 6149100), (42, 5124250), (50, 4304370), (60, 3586975), (70, 3074550), (75, 2869580), (84, 2562125), (100, 2152185), (103, 2089500), (105, 2049700), (125, 1721748), (140, 1537275), (150, 1434790), (175, 1229820), (199, 1081500), (206, 1044750), (210, 1024850), (250, 860874), (300, 717395), (309, 696500), (350, 614910), (375, 573916), (398, 540750), (412, 522375), (420, 512425), (500, 430437), (515, 417900), (525, 409940), (597, 360500), (618, 348250), (700, 307455), (721, 298500), (750, 286958), (796, 270375), (875, 245964), (995, 216300), (1030, 208950), (1050, 204970), (1194, 180250), (1236, 174125), (1393, 154500), (1442, 149250), (1500, 143479), (1545, 139300), (1750, 122982), (1990, 108150), (2060, 104475), (2100, 102485), (2163, 99500), (2388, 90125), (2575, 83580), (2625, 81988), (2786, 77250), (2884, 74625), (2985, 72100), (3090, 69650), (3500, 61491), (3605, 59700), (3980, 54075), (4179, 51500), (4326, 49750), (4975, 43260), (5150, 41790), (5250, 40994), (5572, 38625), (5970, 36050), (6180, 34825), (6965, 30900), (7210, 29850), (7725, 27860), (8358, 25750), (8652, 24875), (9950, 21630), (10300, 20895), (10500, 20497), (10815, 19900), (11940, 18025), (12875, 16716), (13930, 15450), (14420, 14925)]