17201900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^2\times {\mathrm{179}}^1$

素因数の和:255

約数の個数: 54

約数和(自身を含む): 38786580

約数和(自身を除く): 21584680

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 179, 310, 358, 620, 716, 775, 895, 961, 1550, 1790, 1922, 3100, 3580, 3844, 4475, 4805, 5549, 8950, 9610, 11098, 17900, 19220, 22196, 24025, 27745, 48050, 55490, 96100, 110980, 138725, 172019, 277450, 344038, 554900, 688076, 860095, 1720190, 3440380, 4300475, 8600950, 17201900]

約数ペア:

[(1, 17201900), (2, 8600950), (4, 4300475), (5, 3440380), (10, 1720190), (20, 860095), (25, 688076), (31, 554900), (50, 344038), (62, 277450), (100, 172019), (124, 138725), (155, 110980), (179, 96100), (310, 55490), (358, 48050), (620, 27745), (716, 24025), (775, 22196), (895, 19220), (961, 17900), (1550, 11098), (1790, 9610), (1922, 8950), (3100, 5549), (3580, 4805), (3844, 4475)]