51947900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{1439}}^1$

素因数の和:1491

約数の個数: 54

約数和(自身を含む): 119054880

約数和(自身を除く): 67106980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 361, 380, 475, 722, 950, 1439, 1444, 1805, 1900, 2878, 3610, 5756, 7195, 7220, 9025, 14390, 18050, 27341, 28780, 35975, 36100, 54682, 71950, 109364, 136705, 143900, 273410, 519479, 546820, 683525, 1038958, 1367050, 2077916, 2597395, 2734100, 5194790, 10389580, 12986975, 25973950, 51947900]

約数ペア:

[(1, 51947900), (2, 25973950), (4, 12986975), (5, 10389580), (10, 5194790), (19, 2734100), (20, 2597395), (25, 2077916), (38, 1367050), (50, 1038958), (76, 683525), (95, 546820), (100, 519479), (190, 273410), (361, 143900), (380, 136705), (475, 109364), (722, 71950), (950, 54682), (1439, 36100), (1444, 35975), (1805, 28780), (1900, 27341), (2878, 18050), (3610, 14390), (5756, 9025), (7195, 7220)]