661574060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127717}}^1$

素因数の和:127770

約数の個数: 48

約数和(自身を含む): 1630703424

約数和(自身を除く): 969129364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 127717, 255434, 510868, 638585, 894019, 1277170, 1788038, 2554340, 3576076, 4470095, 4725529, 8940190, 9451058, 17880380, 18902116, 23627645, 33078703, 47255290, 66157406, 94510580, 132314812, 165393515, 330787030, 661574060]

約数ペア:

[(1, 661574060), (2, 330787030), (4, 165393515), (5, 132314812), (7, 94510580), (10, 66157406), (14, 47255290), (20, 33078703), (28, 23627645), (35, 18902116), (37, 17880380), (70, 9451058), (74, 8940190), (140, 4725529), (148, 4470095), (185, 3576076), (259, 2554340), (370, 1788038), (518, 1277170), (740, 894019), (1036, 638585), (1295, 510868), (2590, 255434), (5180, 127717)]