42187900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^2\times {\mathrm{439}}^1$

素因数の和:515

約数の個数: 54

約数和(自身を含む): 94811640

約数和(自身を除く): 52623740

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 439, 620, 775, 878, 961, 1550, 1756, 1922, 2195, 3100, 3844, 4390, 4805, 8780, 9610, 10975, 13609, 19220, 21950, 24025, 27218, 43900, 48050, 54436, 68045, 96100, 136090, 272180, 340225, 421879, 680450, 843758, 1360900, 1687516, 2109395, 4218790, 8437580, 10546975, 21093950, 42187900]

約数ペア:

[(1, 42187900), (2, 21093950), (4, 10546975), (5, 8437580), (10, 4218790), (20, 2109395), (25, 1687516), (31, 1360900), (50, 843758), (62, 680450), (100, 421879), (124, 340225), (155, 272180), (310, 136090), (439, 96100), (620, 68045), (775, 54436), (878, 48050), (961, 43900), (1550, 27218), (1756, 24025), (1922, 21950), (2195, 19220), (3100, 13609), (3844, 10975), (4390, 9610), (4805, 8780)]