69970000

素因数分解:

$2^4\times 5^4\times {\mathrm{6997}}^1$

素因数の和:7025

約数の個数: 50

約数和(自身を含む): 169428578

約数和(自身を除く): 99458578

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 6997, 10000, 13994, 27988, 34985, 55976, 69970, 111952, 139940, 174925, 279880, 349850, 559760, 699700, 874625, 1399400, 1749250, 2798800, 3498500, 4373125, 6997000, 8746250, 13994000, 17492500, 34985000, 69970000]

約数ペア:

[(1, 69970000), (2, 34985000), (4, 17492500), (5, 13994000), (8, 8746250), (10, 6997000), (16, 4373125), (20, 3498500), (25, 2798800), (40, 1749250), (50, 1399400), (80, 874625), (100, 699700), (125, 559760), (200, 349850), (250, 279880), (400, 174925), (500, 139940), (625, 111952), (1000, 69970), (1250, 55976), (2000, 34985), (2500, 27988), (5000, 13994), (6997, 10000)]