15871900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 38497536

約数和(自身を除く): 22625636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 47, 50, 55, 94, 100, 110, 188, 220, 235, 275, 307, 470, 517, 550, 614, 940, 1034, 1100, 1175, 1228, 1535, 2068, 2350, 2585, 3070, 3377, 4700, 5170, 6140, 6754, 7675, 10340, 12925, 13508, 14429, 15350, 16885, 25850, 28858, 30700, 33770, 51700, 57716, 67540, 72145, 84425, 144290, 158719, 168850, 288580, 317438, 337700, 360725, 634876, 721450, 793595, 1442900, 1587190, 3174380, 3967975, 7935950, 15871900]

約数ペア:

[(1, 15871900), (2, 7935950), (4, 3967975), (5, 3174380), (10, 1587190), (11, 1442900), (20, 793595), (22, 721450), (25, 634876), (44, 360725), (47, 337700), (50, 317438), (55, 288580), (94, 168850), (100, 158719), (110, 144290), (188, 84425), (220, 72145), (235, 67540), (275, 57716), (307, 51700), (470, 33770), (517, 30700), (550, 28858), (614, 25850), (940, 16885), (1034, 15350), (1100, 14429), (1175, 13508), (1228, 12925), (1535, 10340), (2068, 7675), (2350, 6754), (2585, 6140), (3070, 5170), (3377, 4700)]