249729080

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 571320000

約数和(自身を除く): 321590920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 199, 229, 274, 398, 458, 548, 685, 796, 916, 995, 1096, 1145, 1370, 1592, 1832, 1990, 2290, 2740, 3980, 4580, 5480, 7960, 9160, 27263, 31373, 45571, 54526, 62746, 91142, 109052, 125492, 136315, 156865, 182284, 218104, 227855, 250984, 272630, 313730, 364568, 455710, 545260, 627460, 911420, 1090520, 1254920, 1822840, 6243227, 12486454, 24972908, 31216135, 49945816, 62432270, 124864540, 249729080]

約数ペア:

[(1, 249729080), (2, 124864540), (4, 62432270), (5, 49945816), (8, 31216135), (10, 24972908), (20, 12486454), (40, 6243227), (137, 1822840), (199, 1254920), (229, 1090520), (274, 911420), (398, 627460), (458, 545260), (548, 455710), (685, 364568), (796, 313730), (916, 272630), (995, 250984), (1096, 227855), (1145, 218104), (1370, 182284), (1592, 156865), (1832, 136315), (1990, 125492), (2290, 109052), (2740, 91142), (3980, 62746), (4580, 54526), (5480, 45571), (7960, 31373), (9160, 27263)]