38971900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:595

約数の個数: 72

約数和(自身を含む): 93744000

約数和(自身を除く): 54772100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 110, 142, 220, 275, 284, 355, 499, 550, 710, 781, 998, 1100, 1420, 1562, 1775, 1996, 2495, 3124, 3550, 3905, 4990, 5489, 7100, 7810, 9980, 10978, 12475, 15620, 19525, 21956, 24950, 27445, 35429, 39050, 49900, 54890, 70858, 78100, 109780, 137225, 141716, 177145, 274450, 354290, 389719, 548900, 708580, 779438, 885725, 1558876, 1771450, 1948595, 3542900, 3897190, 7794380, 9742975, 19485950, 38971900]

約数ペア:

[(1, 38971900), (2, 19485950), (4, 9742975), (5, 7794380), (10, 3897190), (11, 3542900), (20, 1948595), (22, 1771450), (25, 1558876), (44, 885725), (50, 779438), (55, 708580), (71, 548900), (100, 389719), (110, 354290), (142, 274450), (220, 177145), (275, 141716), (284, 137225), (355, 109780), (499, 78100), (550, 70858), (710, 54890), (781, 49900), (998, 39050), (1100, 35429), (1420, 27445), (1562, 24950), (1775, 21956), (1996, 19525), (2495, 15620), (3124, 12475), (3550, 10978), (3905, 9980), (4990, 7810), (5489, 7100)]