51903990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:619

約数の個数: 80

約数和(自身を含む): 140873040

約数和(自身を除く): 88969050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 139, 162, 270, 278, 405, 417, 461, 695, 810, 834, 922, 1251, 1383, 1390, 2085, 2305, 2502, 2766, 3753, 4149, 4170, 4610, 6255, 6915, 7506, 8298, 11259, 12447, 12510, 13830, 18765, 20745, 22518, 24894, 37341, 37530, 41490, 56295, 62235, 64079, 74682, 112590, 124470, 128158, 186705, 192237, 320395, 373410, 384474, 576711, 640790, 961185, 1153422, 1730133, 1922370, 2883555, 3460266, 5190399, 5767110, 8650665, 10380798, 17301330, 25951995, 51903990]

約数ペア:

[(1, 51903990), (2, 25951995), (3, 17301330), (5, 10380798), (6, 8650665), (9, 5767110), (10, 5190399), (15, 3460266), (18, 2883555), (27, 1922370), (30, 1730133), (45, 1153422), (54, 961185), (81, 640790), (90, 576711), (135, 384474), (139, 373410), (162, 320395), (270, 192237), (278, 186705), (405, 128158), (417, 124470), (461, 112590), (695, 74682), (810, 64079), (834, 62235), (922, 56295), (1251, 41490), (1383, 37530), (1390, 37341), (2085, 24894), (2305, 22518), (2502, 20745), (2766, 18765), (3753, 13830), (4149, 12510), (4170, 12447), (4610, 11259), (6255, 8298), (6915, 7506)]