209464956

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{647}}^1$

素因数の和:720

約数の個数: 108

約数和(自身を含む): 586967472

約数和(自身を除く): 377502516

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 34, 36, 46, 51, 68, 69, 92, 102, 138, 153, 204, 207, 276, 306, 391, 414, 529, 612, 647, 782, 828, 1058, 1173, 1294, 1564, 1587, 1941, 2116, 2346, 2588, 3174, 3519, 3882, 4692, 4761, 5823, 6348, 7038, 7764, 8993, 9522, 10999, 11646, 14076, 14881, 17986, 19044, 21998, 23292, 26979, 29762, 32997, 35972, 43996, 44643, 53958, 59524, 65994, 80937, 89286, 98991, 107916, 131988, 133929, 161874, 178572, 197982, 252977, 267858, 323748, 342263, 395964, 505954, 535716, 684526, 758931, 1011908, 1026789, 1369052, 1517862, 2053578, 2276793, 3035724, 3080367, 4107156, 4553586, 5818471, 6160734, 9107172, 11636942, 12321468, 17455413, 23273884, 34910826, 52366239, 69821652, 104732478, 209464956]

約数ペア:

[(1, 209464956), (2, 104732478), (3, 69821652), (4, 52366239), (6, 34910826), (9, 23273884), (12, 17455413), (17, 12321468), (18, 11636942), (23, 9107172), (34, 6160734), (36, 5818471), (46, 4553586), (51, 4107156), (68, 3080367), (69, 3035724), (92, 2276793), (102, 2053578), (138, 1517862), (153, 1369052), (204, 1026789), (207, 1011908), (276, 758931), (306, 684526), (391, 535716), (414, 505954), (529, 395964), (612, 342263), (647, 323748), (782, 267858), (828, 252977), (1058, 197982), (1173, 178572), (1294, 161874), (1564, 133929), (1587, 131988), (1941, 107916), (2116, 98991), (2346, 89286), (2588, 80937), (3174, 65994), (3519, 59524), (3882, 53958), (4692, 44643), (4761, 43996), (5823, 35972), (6348, 32997), (7038, 29762), (7764, 26979), (8993, 23292), (9522, 21998), (10999, 19044), (11646, 17986), (14076, 14881)]