77553740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 181880160

約数和(自身を除く): 104326420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 121, 146, 220, 242, 292, 365, 439, 484, 605, 730, 803, 878, 1210, 1460, 1606, 1756, 2195, 2420, 3212, 4015, 4390, 4829, 8030, 8780, 8833, 9658, 16060, 17666, 19316, 24145, 32047, 35332, 44165, 48290, 53119, 64094, 88330, 96580, 106238, 128188, 160235, 176660, 212476, 265595, 320470, 352517, 531190, 640940, 705034, 1062380, 1410068, 1762585, 3525170, 3877687, 7050340, 7755374, 15510748, 19388435, 38776870, 77553740]

約数ペア:

[(1, 77553740), (2, 38776870), (4, 19388435), (5, 15510748), (10, 7755374), (11, 7050340), (20, 3877687), (22, 3525170), (44, 1762585), (55, 1410068), (73, 1062380), (110, 705034), (121, 640940), (146, 531190), (220, 352517), (242, 320470), (292, 265595), (365, 212476), (439, 176660), (484, 160235), (605, 128188), (730, 106238), (803, 96580), (878, 88330), (1210, 64094), (1460, 53119), (1606, 48290), (1756, 44165), (2195, 35332), (2420, 32047), (3212, 24145), (4015, 19316), (4390, 17666), (4829, 16060), (8030, 9658), (8780, 8833)]