118291280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 284606784

約数和(自身を除く): 166315504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 137, 172, 215, 251, 274, 344, 430, 502, 548, 685, 688, 860, 1004, 1096, 1255, 1370, 1720, 2008, 2192, 2510, 2740, 3440, 4016, 5020, 5480, 5891, 10040, 10793, 10960, 11782, 20080, 21586, 23564, 29455, 34387, 43172, 47128, 53965, 58910, 68774, 86344, 94256, 107930, 117820, 137548, 171935, 172688, 215860, 235640, 275096, 343870, 431720, 471280, 550192, 687740, 863440, 1375480, 1478641, 2750960, 2957282, 5914564, 7393205, 11829128, 14786410, 23658256, 29572820, 59145640, 118291280]

約数ペア:

[(1, 118291280), (2, 59145640), (4, 29572820), (5, 23658256), (8, 14786410), (10, 11829128), (16, 7393205), (20, 5914564), (40, 2957282), (43, 2750960), (80, 1478641), (86, 1375480), (137, 863440), (172, 687740), (215, 550192), (251, 471280), (274, 431720), (344, 343870), (430, 275096), (502, 235640), (548, 215860), (685, 172688), (688, 171935), (860, 137548), (1004, 117820), (1096, 107930), (1255, 94256), (1370, 86344), (1720, 68774), (2008, 58910), (2192, 53965), (2510, 47128), (2740, 43172), (3440, 34387), (4016, 29455), (5020, 23564), (5480, 21586), (5891, 20080), (10040, 11782), (10793, 10960)]