720598978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 1285632000

約数和(自身を除く): 565033022

約数列:

[1, 2, 11, 19, 22, 38, 59, 61, 118, 122, 209, 418, 479, 649, 671, 958, 1121, 1159, 1298, 1342, 2242, 2318, 3599, 5269, 7198, 9101, 10538, 12331, 12749, 18202, 24662, 25498, 28261, 29219, 39589, 56522, 58438, 68381, 79178, 100111, 136762, 200222, 310871, 321409, 536959, 555161, 621742, 642818, 752191, 1073918, 1110322, 1504382, 1723921, 3447842, 5906549, 6106771, 11813098, 12213542, 18963131, 32754499, 37926262, 65508998, 360299489, 720598978]

約数ペア:

[(1, 720598978), (2, 360299489), (11, 65508998), (19, 37926262), (22, 32754499), (38, 18963131), (59, 12213542), (61, 11813098), (118, 6106771), (122, 5906549), (209, 3447842), (418, 1723921), (479, 1504382), (649, 1110322), (671, 1073918), (958, 752191), (1121, 642818), (1159, 621742), (1298, 555161), (1342, 536959), (2242, 321409), (2318, 310871), (3599, 200222), (5269, 136762), (7198, 100111), (9101, 79178), (10538, 68381), (12331, 58438), (12749, 56522), (18202, 39589), (24662, 29219), (25498, 28261)]