74487280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{133013}}^1$

素因数の和:133033

約数の個数: 40

約数和(自身を含む): 197924832

約数和(自身を除く): 123437552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 133013, 266026, 532052, 665065, 931091, 1064104, 1330130, 1862182, 2128208, 2660260, 3724364, 4655455, 5320520, 7448728, 9310910, 10641040, 14897456, 18621820, 37243640, 74487280]

約数ペア:

[(1, 74487280), (2, 37243640), (4, 18621820), (5, 14897456), (7, 10641040), (8, 9310910), (10, 7448728), (14, 5320520), (16, 4655455), (20, 3724364), (28, 2660260), (35, 2128208), (40, 1862182), (56, 1330130), (70, 1064104), (80, 931091), (112, 665065), (140, 532052), (280, 266026), (560, 133013)]