338477680

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:586

約数の個数: 80

約数和(自身を含む): 803921760

約数和(自身を除く): 465444080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 137, 178, 274, 347, 356, 445, 548, 685, 694, 712, 890, 1096, 1370, 1388, 1424, 1735, 1780, 2192, 2740, 2776, 3470, 3560, 5480, 5552, 6940, 7120, 10960, 12193, 13880, 24386, 27760, 30883, 47539, 48772, 60965, 61766, 95078, 97544, 121930, 123532, 154415, 190156, 195088, 237695, 243860, 247064, 308830, 380312, 475390, 487720, 494128, 617660, 760624, 950780, 975440, 1235320, 1901560, 2470640, 3803120, 4230971, 8461942, 16923884, 21154855, 33847768, 42309710, 67695536, 84619420, 169238840, 338477680]

約数ペア:

[(1, 338477680), (2, 169238840), (4, 84619420), (5, 67695536), (8, 42309710), (10, 33847768), (16, 21154855), (20, 16923884), (40, 8461942), (80, 4230971), (89, 3803120), (137, 2470640), (178, 1901560), (274, 1235320), (347, 975440), (356, 950780), (445, 760624), (548, 617660), (685, 494128), (694, 487720), (712, 475390), (890, 380312), (1096, 308830), (1370, 247064), (1388, 243860), (1424, 237695), (1735, 195088), (1780, 190156), (2192, 154415), (2740, 123532), (2776, 121930), (3470, 97544), (3560, 95078), (5480, 61766), (5552, 60965), (6940, 48772), (7120, 47539), (10960, 30883), (12193, 27760), (13880, 24386)]