28415697550

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^2$

素因数の和:650

約数の個数: 72

約数和(自身を含む): 54012185856

約数和(自身を除く): 25596488306

約数列:

[1, 2, 5, 10, 25, 50, 113, 127, 199, 226, 254, 398, 565, 635, 995, 1130, 1270, 1990, 2825, 3175, 4975, 5650, 6350, 9950, 14351, 22487, 25273, 28702, 39601, 44974, 50546, 71755, 79202, 112435, 126365, 143510, 198005, 224870, 252730, 358775, 396010, 562175, 631825, 717550, 990025, 1124350, 1263650, 1980050, 2855849, 4474913, 5029327, 5711698, 8949826, 10058654, 14279245, 22374565, 25146635, 28558490, 44749130, 50293270, 71396225, 111872825, 125733175, 142792450, 223745650, 251466350, 568313951, 1136627902, 2841569755, 5683139510, 14207848775, 28415697550]

約数ペア:

[(1, 28415697550), (2, 14207848775), (5, 5683139510), (10, 2841569755), (25, 1136627902), (50, 568313951), (113, 251466350), (127, 223745650), (199, 142792450), (226, 125733175), (254, 111872825), (398, 71396225), (565, 50293270), (635, 44749130), (995, 28558490), (1130, 25146635), (1270, 22374565), (1990, 14279245), (2825, 10058654), (3175, 8949826), (4975, 5711698), (5650, 5029327), (6350, 4474913), (9950, 2855849), (14351, 1980050), (22487, 1263650), (25273, 1124350), (28702, 990025), (39601, 717550), (44974, 631825), (50546, 562175), (71755, 396010), (79202, 358775), (112435, 252730), (126365, 224870), (143510, 198005)]