214969720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{767749}}^1$

素因数の和:767767

約数の個数: 32

約数和(自身を含む): 552780000

約数和(自身を除く): 337810280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 767749, 1535498, 3070996, 3838745, 5374243, 6141992, 7677490, 10748486, 15354980, 21496972, 26871215, 30709960, 42993944, 53742430, 107484860, 214969720]

約数ペア:

[(1, 214969720), (2, 107484860), (4, 53742430), (5, 42993944), (7, 30709960), (8, 26871215), (10, 21496972), (14, 15354980), (20, 10748486), (28, 7677490), (35, 6141992), (40, 5374243), (56, 3838745), (70, 3070996), (140, 1535498), (280, 767749)]