139277440

素因数分解:

$2^7\times 5^1\times {\mathrm{269}}^1\times {\mathrm{809}}^1$

素因数の和:1097

約数の個数: 64

約数和(自身を含む): 334611000

約数和(自身を除く): 195333560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 269, 320, 538, 640, 809, 1076, 1345, 1618, 2152, 2690, 3236, 4045, 4304, 5380, 6472, 8090, 8608, 10760, 12944, 16180, 17216, 21520, 25888, 32360, 34432, 43040, 51776, 64720, 86080, 103552, 129440, 172160, 217621, 258880, 435242, 517760, 870484, 1088105, 1740968, 2176210, 3481936, 4352420, 6963872, 8704840, 13927744, 17409680, 27855488, 34819360, 69638720, 139277440]

約数ペア:

[(1, 139277440), (2, 69638720), (4, 34819360), (5, 27855488), (8, 17409680), (10, 13927744), (16, 8704840), (20, 6963872), (32, 4352420), (40, 3481936), (64, 2176210), (80, 1740968), (128, 1088105), (160, 870484), (269, 517760), (320, 435242), (538, 258880), (640, 217621), (809, 172160), (1076, 129440), (1345, 103552), (1618, 86080), (2152, 64720), (2690, 51776), (3236, 43040), (4045, 34432), (4304, 32360), (5380, 25888), (6472, 21520), (8090, 17216), (8608, 16180), (10760, 12944)]