204790400

素因数分解:

$2^7\times 5^2\times {\mathrm{63997}}^1$

素因数の和:64021

約数の個数: 48

約数和(自身を含む): 505904190

約数和(自身を除く): 301113790

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 63997, 127994, 255988, 319985, 511976, 639970, 1023952, 1279940, 1599925, 2047904, 2559880, 3199850, 4095808, 5119760, 6399700, 8191616, 10239520, 12799400, 20479040, 25598800, 40958080, 51197600, 102395200, 204790400]

約数ペア:

[(1, 204790400), (2, 102395200), (4, 51197600), (5, 40958080), (8, 25598800), (10, 20479040), (16, 12799400), (20, 10239520), (25, 8191616), (32, 6399700), (40, 5119760), (50, 4095808), (64, 3199850), (80, 2559880), (100, 2047904), (128, 1599925), (160, 1279940), (200, 1023952), (320, 639970), (400, 511976), (640, 319985), (800, 255988), (1600, 127994), (3200, 63997)]