551062640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{883}}^1$

素因数の和:1194

約数の個数: 80

約数和(自身を含む): 1331834400

約数和(自身を除く): 780771760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 269, 290, 464, 538, 580, 883, 1076, 1160, 1345, 1766, 2152, 2320, 2690, 3532, 4304, 4415, 5380, 7064, 7801, 8830, 10760, 14128, 15602, 17660, 21520, 25607, 31204, 35320, 39005, 51214, 62408, 70640, 78010, 102428, 124816, 128035, 156020, 204856, 237527, 256070, 312040, 409712, 475054, 512140, 624080, 950108, 1024280, 1187635, 1900216, 2048560, 2375270, 3800432, 4750540, 6888283, 9501080, 13776566, 19002160, 27553132, 34441415, 55106264, 68882830, 110212528, 137765660, 275531320, 551062640]

約数ペア:

[(1, 551062640), (2, 275531320), (4, 137765660), (5, 110212528), (8, 68882830), (10, 55106264), (16, 34441415), (20, 27553132), (29, 19002160), (40, 13776566), (58, 9501080), (80, 6888283), (116, 4750540), (145, 3800432), (232, 2375270), (269, 2048560), (290, 1900216), (464, 1187635), (538, 1024280), (580, 950108), (883, 624080), (1076, 512140), (1160, 475054), (1345, 409712), (1766, 312040), (2152, 256070), (2320, 237527), (2690, 204856), (3532, 156020), (4304, 128035), (4415, 124816), (5380, 102428), (7064, 78010), (7801, 70640), (8830, 62408), (10760, 51214), (14128, 39005), (15602, 35320), (17660, 31204), (21520, 25607)]