1903880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4327}}^1$

素因数の和:4349

約数の個数: 32

約数和(自身を含む): 4674240

約数和(自身を除く): 2770360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4327, 8654, 17308, 21635, 34616, 43270, 47597, 86540, 95194, 173080, 190388, 237985, 380776, 475970, 951940, 1903880]

約数ペア:

[(1, 1903880), (2, 951940), (4, 475970), (5, 380776), (8, 237985), (10, 190388), (11, 173080), (20, 95194), (22, 86540), (40, 47597), (44, 43270), (55, 34616), (88, 21635), (110, 17308), (220, 8654), (440, 4327)]