207967375

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:122

約数の個数: 128

約数和(自身を含む): 362299392

約数和(自身を除く): 154332017

約数列:

[1, 5, 7, 11, 17, 25, 31, 35, 41, 55, 77, 85, 119, 125, 155, 175, 187, 205, 217, 275, 287, 341, 385, 425, 451, 527, 595, 697, 775, 875, 935, 1025, 1085, 1271, 1309, 1375, 1435, 1705, 1925, 2125, 2255, 2387, 2635, 2975, 3157, 3485, 3689, 3875, 4675, 4879, 5125, 5425, 5797, 6355, 6545, 7175, 7667, 8525, 8897, 9625, 11275, 11935, 13175, 13981, 14875, 15785, 17425, 18445, 21607, 23375, 24395, 27125, 28985, 31775, 32725, 35875, 38335, 40579, 42625, 44485, 53669, 56375, 59675, 65875, 69905, 78925, 87125, 92225, 97867, 108035, 121975, 144925, 151249, 158875, 163625, 191675, 202895, 222425, 237677, 268345, 298375, 349525, 394625, 461125, 489335, 540175, 609875, 724625, 756245, 958375, 1014475, 1112125, 1188385, 1341725, 1663739, 1747625, 2446675, 2700875, 3781225, 5072375, 5941925, 6708625, 8318695, 12233375, 18906125, 29709625, 41593475, 207967375]

約数ペア:

[(1, 207967375), (5, 41593475), (7, 29709625), (11, 18906125), (17, 12233375), (25, 8318695), (31, 6708625), (35, 5941925), (41, 5072375), (55, 3781225), (77, 2700875), (85, 2446675), (119, 1747625), (125, 1663739), (155, 1341725), (175, 1188385), (187, 1112125), (205, 1014475), (217, 958375), (275, 756245), (287, 724625), (341, 609875), (385, 540175), (425, 489335), (451, 461125), (527, 394625), (595, 349525), (697, 298375), (775, 268345), (875, 237677), (935, 222425), (1025, 202895), (1085, 191675), (1271, 163625), (1309, 158875), (1375, 151249), (1435, 144925), (1705, 121975), (1925, 108035), (2125, 97867), (2255, 92225), (2387, 87125), (2635, 78925), (2975, 69905), (3157, 65875), (3485, 59675), (3689, 56375), (3875, 53669), (4675, 44485), (4879, 42625), (5125, 40579), (5425, 38335), (5797, 35875), (6355, 32725), (6545, 31775), (7175, 28985), (7667, 27125), (8525, 24395), (8897, 23375), (9625, 21607), (11275, 18445), (11935, 17425), (13175, 15785), (13981, 14875)]