84375800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^2\times {\mathrm{439}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 203167800

約数和(自身を除く): 118792000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 439, 620, 775, 878, 961, 1240, 1550, 1756, 1922, 2195, 3100, 3512, 3844, 4390, 4805, 6200, 7688, 8780, 9610, 10975, 13609, 17560, 19220, 21950, 24025, 27218, 38440, 43900, 48050, 54436, 68045, 87800, 96100, 108872, 136090, 192200, 272180, 340225, 421879, 544360, 680450, 843758, 1360900, 1687516, 2109395, 2721800, 3375032, 4218790, 8437580, 10546975, 16875160, 21093950, 42187900, 84375800]

約数ペア:

[(1, 84375800), (2, 42187900), (4, 21093950), (5, 16875160), (8, 10546975), (10, 8437580), (20, 4218790), (25, 3375032), (31, 2721800), (40, 2109395), (50, 1687516), (62, 1360900), (100, 843758), (124, 680450), (155, 544360), (200, 421879), (248, 340225), (310, 272180), (439, 192200), (620, 136090), (775, 108872), (878, 96100), (961, 87800), (1240, 68045), (1550, 54436), (1756, 48050), (1922, 43900), (2195, 38440), (3100, 27218), (3512, 24025), (3844, 21950), (4390, 19220), (4805, 17560), (6200, 13609), (7688, 10975), (8780, 9610)]