127939900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1087}}^1$

素因数の和:1219

約数の個数: 72

約数和(自身を含む): 305980416

約数和(自身を除く): 178040516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 107, 110, 214, 220, 275, 428, 535, 550, 1070, 1087, 1100, 1177, 2140, 2174, 2354, 2675, 4348, 4708, 5350, 5435, 5885, 10700, 10870, 11770, 11957, 21740, 23540, 23914, 27175, 29425, 47828, 54350, 58850, 59785, 108700, 116309, 117700, 119570, 232618, 239140, 298925, 465236, 581545, 597850, 1163090, 1195700, 1279399, 2326180, 2558798, 2907725, 5117596, 5815450, 6396995, 11630900, 12793990, 25587980, 31984975, 63969950, 127939900]

約数ペア:

[(1, 127939900), (2, 63969950), (4, 31984975), (5, 25587980), (10, 12793990), (11, 11630900), (20, 6396995), (22, 5815450), (25, 5117596), (44, 2907725), (50, 2558798), (55, 2326180), (100, 1279399), (107, 1195700), (110, 1163090), (214, 597850), (220, 581545), (275, 465236), (428, 298925), (535, 239140), (550, 232618), (1070, 119570), (1087, 117700), (1100, 116309), (1177, 108700), (2140, 59785), (2174, 58850), (2354, 54350), (2675, 47828), (4348, 29425), (4708, 27175), (5350, 23914), (5435, 23540), (5885, 21740), (10700, 11957), (10870, 11770)]