31122850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 64120896

約数和(自身を除く): 32998046

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 142, 275, 355, 550, 710, 781, 797, 1562, 1594, 1775, 3550, 3905, 3985, 7810, 7970, 8767, 17534, 19525, 19925, 39050, 39850, 43835, 56587, 87670, 113174, 219175, 282935, 438350, 565870, 622457, 1244914, 1414675, 2829350, 3112285, 6224570, 15561425, 31122850]

約数ペア:

[(1, 31122850), (2, 15561425), (5, 6224570), (10, 3112285), (11, 2829350), (22, 1414675), (25, 1244914), (50, 622457), (55, 565870), (71, 438350), (110, 282935), (142, 219175), (275, 113174), (355, 87670), (550, 56587), (710, 43835), (781, 39850), (797, 39050), (1562, 19925), (1594, 19525), (1775, 17534), (3550, 8767), (3905, 7970), (3985, 7810)]