31373000

素因数分解:

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

素因数の和:387

約数の個数: 64

約数和(自身を含む): 74271600

約数和(自身を除く): 42898600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 137, 200, 229, 250, 274, 458, 500, 548, 685, 916, 1000, 1096, 1145, 1370, 1832, 2290, 2740, 3425, 4580, 5480, 5725, 6850, 9160, 11450, 13700, 17125, 22900, 27400, 28625, 31373, 34250, 45800, 57250, 62746, 68500, 114500, 125492, 137000, 156865, 229000, 250984, 313730, 627460, 784325, 1254920, 1568650, 3137300, 3921625, 6274600, 7843250, 15686500, 31373000]

約数ペア:

[(1, 31373000), (2, 15686500), (4, 7843250), (5, 6274600), (8, 3921625), (10, 3137300), (20, 1568650), (25, 1254920), (40, 784325), (50, 627460), (100, 313730), (125, 250984), (137, 229000), (200, 156865), (229, 137000), (250, 125492), (274, 114500), (458, 68500), (500, 62746), (548, 57250), (685, 45800), (916, 34250), (1000, 31373), (1096, 28625), (1145, 27400), (1370, 22900), (1832, 17125), (2290, 13700), (2740, 11450), (3425, 9160), (4580, 6850), (5480, 5725)]