1390495040

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{395027}}^1$

素因数の和:395055

約数の個数: 56

約数和(自身を含む): 3612136032

約数和(自身を除く): 2221640992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 395027, 790054, 1580108, 1975135, 3160216, 3950270, 4345297, 6320432, 7900540, 8690594, 12640864, 15801080, 17381188, 21726485, 25281728, 31602160, 34762376, 43452970, 63204320, 69524752, 86905940, 126408640, 139049504, 173811880, 278099008, 347623760, 695247520, 1390495040]

約数ペア:

[(1, 1390495040), (2, 695247520), (4, 347623760), (5, 278099008), (8, 173811880), (10, 139049504), (11, 126408640), (16, 86905940), (20, 69524752), (22, 63204320), (32, 43452970), (40, 34762376), (44, 31602160), (55, 25281728), (64, 21726485), (80, 17381188), (88, 15801080), (110, 12640864), (160, 8690594), (176, 7900540), (220, 6320432), (320, 4345297), (352, 3950270), (440, 3160216), (704, 1975135), (880, 1580108), (1760, 790054), (3520, 395027)]