68516380

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 147129696

約数和(自身を除く): 78613316

約数列:

[1, 2, 4, 5, 10, 20, 101, 107, 202, 214, 317, 404, 428, 505, 535, 634, 1010, 1070, 1268, 1585, 2020, 2140, 3170, 6340, 10807, 21614, 32017, 33919, 43228, 54035, 64034, 67838, 108070, 128068, 135676, 160085, 169595, 216140, 320170, 339190, 640340, 678380, 3425819, 6851638, 13703276, 17129095, 34258190, 68516380]

約数ペア:

[(1, 68516380), (2, 34258190), (4, 17129095), (5, 13703276), (10, 6851638), (20, 3425819), (101, 678380), (107, 640340), (202, 339190), (214, 320170), (317, 216140), (404, 169595), (428, 160085), (505, 135676), (535, 128068), (634, 108070), (1010, 67838), (1070, 64034), (1268, 54035), (1585, 43228), (2020, 33919), (2140, 32017), (3170, 21614), (6340, 10807)]