85178900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 196654080

約数和(自身を除く): 111475180

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 127, 190, 254, 353, 380, 475, 508, 635, 706, 950, 1270, 1412, 1765, 1900, 2413, 2540, 3175, 3530, 4826, 6350, 6707, 7060, 8825, 9652, 12065, 12700, 13414, 17650, 24130, 26828, 33535, 35300, 44831, 48260, 60325, 67070, 89662, 120650, 134140, 167675, 179324, 224155, 241300, 335350, 448310, 670700, 851789, 896620, 1120775, 1703578, 2241550, 3407156, 4258945, 4483100, 8517890, 17035780, 21294725, 42589450, 85178900]

約数ペア:

[(1, 85178900), (2, 42589450), (4, 21294725), (5, 17035780), (10, 8517890), (19, 4483100), (20, 4258945), (25, 3407156), (38, 2241550), (50, 1703578), (76, 1120775), (95, 896620), (100, 851789), (127, 670700), (190, 448310), (254, 335350), (353, 241300), (380, 224155), (475, 179324), (508, 167675), (635, 134140), (706, 120650), (950, 89662), (1270, 67070), (1412, 60325), (1765, 48260), (1900, 44831), (2413, 35300), (2540, 33535), (3175, 26828), (3530, 24130), (4826, 17650), (6350, 13414), (6707, 12700), (7060, 12065), (8825, 9652)]