137788180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 306288864

約数和(自身を除く): 168500684

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 107, 124, 134, 155, 214, 268, 310, 335, 428, 535, 620, 670, 961, 1070, 1340, 1922, 2077, 2140, 3317, 3844, 4154, 4805, 6634, 7169, 8308, 9610, 10385, 13268, 14338, 16585, 19220, 20770, 28676, 33170, 35845, 41540, 64387, 66340, 71690, 102827, 128774, 143380, 205654, 222239, 257548, 321935, 411308, 444478, 514135, 643870, 888956, 1028270, 1111195, 1287740, 2056540, 2222390, 4444780, 6889409, 13778818, 27557636, 34447045, 68894090, 137788180]

約数ペア:

[(1, 137788180), (2, 68894090), (4, 34447045), (5, 27557636), (10, 13778818), (20, 6889409), (31, 4444780), (62, 2222390), (67, 2056540), (107, 1287740), (124, 1111195), (134, 1028270), (155, 888956), (214, 643870), (268, 514135), (310, 444478), (335, 411308), (428, 321935), (535, 257548), (620, 222239), (670, 205654), (961, 143380), (1070, 128774), (1340, 102827), (1922, 71690), (2077, 66340), (2140, 64387), (3317, 41540), (3844, 35845), (4154, 33170), (4805, 28676), (6634, 20770), (7169, 19220), (8308, 16585), (9610, 14338), (10385, 13268)]