78100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:96

約数の個数: 36

約数和(自身を含む): 187488

約数和(自身を除く): 109388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 110, 142, 220, 275, 284, 355, 550, 710, 781, 1100, 1420, 1562, 1775, 3124, 3550, 3905, 7100, 7810, 15620, 19525, 39050, 78100]

約数ペア:

[(1, 78100), (2, 39050), (4, 19525), (5, 15620), (10, 7810), (11, 7100), (20, 3905), (22, 3550), (25, 3124), (44, 1775), (50, 1562), (55, 1420), (71, 1100), (100, 781), (110, 710), (142, 550), (220, 355), (275, 284)]