279284480

素因数分解:

$2^8\times 5^1\times {\mathrm{218191}}^1$

素因数の和:218212

約数の個数: 36

約数和(自身を含む): 668976672

約数和(自身を除く): 389692192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 218191, 436382, 872764, 1090955, 1745528, 2181910, 3491056, 4363820, 6982112, 8727640, 13964224, 17455280, 27928448, 34910560, 55856896, 69821120, 139642240, 279284480]

約数ペア:

[(1, 279284480), (2, 139642240), (4, 69821120), (5, 55856896), (8, 34910560), (10, 27928448), (16, 17455280), (20, 13964224), (32, 8727640), (40, 6982112), (64, 4363820), (80, 3491056), (128, 2181910), (160, 1745528), (256, 1090955), (320, 872764), (640, 436382), (1280, 218191)]