135139180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{1231}}^1$

素因数の和:1750

約数の個数: 48

約数和(自身を含む): 310464000

約数和(自身を除く): 175324820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 499, 998, 1231, 1996, 2462, 2495, 4924, 4990, 5489, 6155, 9980, 10978, 12310, 13541, 21956, 24620, 27082, 27445, 54164, 54890, 67705, 109780, 135410, 270820, 614269, 1228538, 2457076, 3071345, 6142690, 6756959, 12285380, 13513918, 27027836, 33784795, 67569590, 135139180]

約数ペア:

[(1, 135139180), (2, 67569590), (4, 33784795), (5, 27027836), (10, 13513918), (11, 12285380), (20, 6756959), (22, 6142690), (44, 3071345), (55, 2457076), (110, 1228538), (220, 614269), (499, 270820), (998, 135410), (1231, 109780), (1996, 67705), (2462, 54890), (2495, 54164), (4924, 27445), (4990, 27082), (5489, 24620), (6155, 21956), (9980, 13541), (10978, 12310)]