217687400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 597422700

約数和(自身を除く): 379735300

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 97, 98, 100, 140, 175, 194, 196, 200, 229, 245, 280, 350, 388, 392, 458, 485, 490, 679, 700, 776, 916, 970, 980, 1145, 1225, 1358, 1400, 1603, 1832, 1940, 1960, 2290, 2425, 2450, 2716, 3206, 3395, 3880, 4580, 4753, 4850, 4900, 5432, 5725, 6412, 6790, 8015, 9160, 9506, 9700, 9800, 11221, 11450, 12824, 13580, 16030, 16975, 19012, 19400, 22213, 22442, 22900, 23765, 27160, 32060, 33950, 38024, 40075, 44426, 44884, 45800, 47530, 56105, 64120, 67900, 80150, 88852, 89768, 95060, 111065, 112210, 118825, 135800, 155491, 160300, 177704, 190120, 222130, 224420, 237650, 280525, 310982, 320600, 444260, 448840, 475300, 555325, 561050, 621964, 777455, 888520, 950600, 1088437, 1110650, 1122100, 1243928, 1554910, 2176874, 2221300, 2244200, 3109820, 3887275, 4353748, 4442600, 5442185, 6219640, 7774550, 8707496, 10884370, 15549100, 21768740, 27210925, 31098200, 43537480, 54421850, 108843700, 217687400]

約数ペア:

[(1, 217687400), (2, 108843700), (4, 54421850), (5, 43537480), (7, 31098200), (8, 27210925), (10, 21768740), (14, 15549100), (20, 10884370), (25, 8707496), (28, 7774550), (35, 6219640), (40, 5442185), (49, 4442600), (50, 4353748), (56, 3887275), (70, 3109820), (97, 2244200), (98, 2221300), (100, 2176874), (140, 1554910), (175, 1243928), (194, 1122100), (196, 1110650), (200, 1088437), (229, 950600), (245, 888520), (280, 777455), (350, 621964), (388, 561050), (392, 555325), (458, 475300), (485, 448840), (490, 444260), (679, 320600), (700, 310982), (776, 280525), (916, 237650), (970, 224420), (980, 222130), (1145, 190120), (1225, 177704), (1358, 160300), (1400, 155491), (1603, 135800), (1832, 118825), (1940, 112210), (1960, 111065), (2290, 95060), (2425, 89768), (2450, 88852), (2716, 80150), (3206, 67900), (3395, 64120), (3880, 56105), (4580, 47530), (4753, 45800), (4850, 44884), (4900, 44426), (5432, 40075), (5725, 38024), (6412, 33950), (6790, 32060), (8015, 27160), (9160, 23765), (9506, 22900), (9700, 22442), (9800, 22213), (11221, 19400), (11450, 19012), (12824, 16975), (13580, 16030)]