29711990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:893

約数の個数: 64

約数和(自身を含む): 68179968

約数和(自身を除く): 38467978

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 47, 55, 70, 77, 94, 110, 154, 235, 329, 385, 470, 517, 658, 770, 821, 1034, 1642, 1645, 2585, 3290, 3619, 4105, 5170, 5747, 7238, 8210, 9031, 11494, 18062, 18095, 28735, 36190, 38587, 45155, 57470, 63217, 77174, 90310, 126434, 192935, 270109, 316085, 385870, 424457, 540218, 632170, 848914, 1350545, 2122285, 2701090, 2971199, 4244570, 5942398, 14855995, 29711990]

約数ペア:

[(1, 29711990), (2, 14855995), (5, 5942398), (7, 4244570), (10, 2971199), (11, 2701090), (14, 2122285), (22, 1350545), (35, 848914), (47, 632170), (55, 540218), (70, 424457), (77, 385870), (94, 316085), (110, 270109), (154, 192935), (235, 126434), (329, 90310), (385, 77174), (470, 63217), (517, 57470), (658, 45155), (770, 38587), (821, 36190), (1034, 28735), (1642, 18095), (1645, 18062), (2585, 11494), (3290, 9031), (3619, 8210), (4105, 7238), (5170, 5747)]