102255620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{673}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 220123008

約数和(自身を除く): 117867388

約数列:

[1, 2, 4, 5, 10, 20, 71, 107, 142, 214, 284, 355, 428, 535, 673, 710, 1070, 1346, 1420, 2140, 2692, 3365, 6730, 7597, 13460, 15194, 30388, 37985, 47783, 72011, 75970, 95566, 144022, 151940, 191132, 238915, 288044, 360055, 477830, 720110, 955660, 1440220, 5112781, 10225562, 20451124, 25563905, 51127810, 102255620]

約数ペア:

[(1, 102255620), (2, 51127810), (4, 25563905), (5, 20451124), (10, 10225562), (20, 5112781), (71, 1440220), (107, 955660), (142, 720110), (214, 477830), (284, 360055), (355, 288044), (428, 238915), (535, 191132), (673, 151940), (710, 144022), (1070, 95566), (1346, 75970), (1420, 72011), (2140, 47783), (2692, 37985), (3365, 30388), (6730, 15194), (7597, 13460)]