203979880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{392269}}^1$

素因数の和:392293

約数の個数: 32

約数和(自身を含む): 494260200

約数和(自身を除く): 290280320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 392269, 784538, 1569076, 1961345, 3138152, 3922690, 5099497, 7845380, 10198994, 15690760, 20397988, 25497485, 40795976, 50994970, 101989940, 203979880]

約数ペア:

[(1, 203979880), (2, 101989940), (4, 50994970), (5, 40795976), (8, 25497485), (10, 20397988), (13, 15690760), (20, 10198994), (26, 7845380), (40, 5099497), (52, 3922690), (65, 3138152), (104, 1961345), (130, 1569076), (260, 784538), (520, 392269)]