31060370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 64012032

約数和(自身を除く): 32951662

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 71, 82, 97, 110, 142, 194, 205, 355, 410, 451, 485, 710, 781, 902, 970, 1067, 1562, 2134, 2255, 2911, 3905, 3977, 4510, 5335, 5822, 6887, 7810, 7954, 10670, 13774, 14555, 19885, 29110, 32021, 34435, 39770, 43747, 64042, 68870, 75757, 87494, 151514, 160105, 218735, 282367, 320210, 378785, 437470, 564734, 757570, 1411835, 2823670, 3106037, 6212074, 15530185, 31060370]

約数ペア:

[(1, 31060370), (2, 15530185), (5, 6212074), (10, 3106037), (11, 2823670), (22, 1411835), (41, 757570), (55, 564734), (71, 437470), (82, 378785), (97, 320210), (110, 282367), (142, 218735), (194, 160105), (205, 151514), (355, 87494), (410, 75757), (451, 68870), (485, 64042), (710, 43747), (781, 39770), (902, 34435), (970, 32021), (1067, 29110), (1562, 19885), (2134, 14555), (2255, 13774), (2911, 10670), (3905, 7954), (3977, 7810), (4510, 6887), (5335, 5822)]