2018005940

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{563}}^1\times {\mathrm{647}}^1$

素因数の和:1496

約数の個数: 48

約数和(自身を含む): 4267251072

約数和(自身を除く): 2249245132

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 563, 647, 1108, 1126, 1294, 1385, 2252, 2588, 2770, 2815, 3235, 5540, 5630, 6470, 11260, 12940, 155951, 179219, 311902, 358438, 364261, 623804, 716876, 728522, 779755, 896095, 1457044, 1559510, 1792190, 1821305, 3119020, 3584380, 3642610, 7285220, 100900297, 201800594, 403601188, 504501485, 1009002970, 2018005940]

約数ペア:

[(1, 2018005940), (2, 1009002970), (4, 504501485), (5, 403601188), (10, 201800594), (20, 100900297), (277, 7285220), (554, 3642610), (563, 3584380), (647, 3119020), (1108, 1821305), (1126, 1792190), (1294, 1559510), (1385, 1457044), (2252, 896095), (2588, 779755), (2770, 728522), (2815, 716876), (3235, 623804), (5540, 364261), (5630, 358438), (6470, 311902), (11260, 179219), (12940, 155951)]