212361875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:150

約数の個数: 80

約数和(自身を含む): 323896320

約数和(自身を除く): 111534445

約数列:

[1, 5, 11, 17, 23, 25, 55, 79, 85, 115, 125, 187, 253, 275, 391, 395, 425, 575, 625, 869, 935, 1265, 1343, 1375, 1817, 1955, 1975, 2125, 2875, 4301, 4345, 4675, 6325, 6715, 6875, 9085, 9775, 9875, 10625, 14375, 14773, 19987, 21505, 21725, 23375, 30889, 31625, 33575, 45425, 48875, 49375, 73865, 99935, 107525, 108625, 116875, 154445, 158125, 167875, 227125, 244375, 339779, 369325, 499675, 537625, 543125, 772225, 839375, 1135625, 1698895, 1846625, 2498375, 2688125, 3861125, 8494475, 9233125, 12491875, 19305625, 42472375, 212361875]

約数ペア:

[(1, 212361875), (5, 42472375), (11, 19305625), (17, 12491875), (23, 9233125), (25, 8494475), (55, 3861125), (79, 2688125), (85, 2498375), (115, 1846625), (125, 1698895), (187, 1135625), (253, 839375), (275, 772225), (391, 543125), (395, 537625), (425, 499675), (575, 369325), (625, 339779), (869, 244375), (935, 227125), (1265, 167875), (1343, 158125), (1375, 154445), (1817, 116875), (1955, 108625), (1975, 107525), (2125, 99935), (2875, 73865), (4301, 49375), (4345, 48875), (4675, 45425), (6325, 33575), (6715, 31625), (6875, 30889), (9085, 23375), (9775, 21725), (9875, 21505), (10625, 19987), (14375, 14773)]