187419980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{2441}}^1$

素因数の和:2810

約数の個数: 48

約数和(自身を含む): 430768800

約数和(自身を除く): 243348820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 349, 698, 1396, 1745, 2441, 3490, 3839, 4882, 6980, 7678, 9764, 12205, 15356, 19195, 24410, 26851, 38390, 48820, 53702, 76780, 107404, 134255, 268510, 537020, 851909, 1703818, 3407636, 4259545, 8519090, 9370999, 17038180, 18741998, 37483996, 46854995, 93709990, 187419980]

約数ペア:

[(1, 187419980), (2, 93709990), (4, 46854995), (5, 37483996), (10, 18741998), (11, 17038180), (20, 9370999), (22, 8519090), (44, 4259545), (55, 3407636), (110, 1703818), (220, 851909), (349, 537020), (698, 268510), (1396, 134255), (1745, 107404), (2441, 76780), (3490, 53702), (3839, 48820), (4882, 38390), (6980, 26851), (7678, 24410), (9764, 19195), (12205, 15356)]