520079780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{11311}}^1$

素因数の和:11361

約数の個数: 72

約数和(自身を含む): 1263776640

約数和(自身を除く): 743696860

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 2090, 2299, 2420, 4180, 4598, 9196, 11311, 11495, 22622, 22990, 45244, 45980, 56555, 113110, 124421, 214909, 226220, 248842, 429818, 497684, 622105, 859636, 1074545, 1244210, 1368631, 2149090, 2363999, 2488420, 2737262, 4298180, 4727998, 5474524, 6843155, 9455996, 11819995, 13686310, 23639990, 26003989, 27372620, 47279980, 52007978, 104015956, 130019945, 260039890, 520079780]

約数ペア:

[(1, 520079780), (2, 260039890), (4, 130019945), (5, 104015956), (10, 52007978), (11, 47279980), (19, 27372620), (20, 26003989), (22, 23639990), (38, 13686310), (44, 11819995), (55, 9455996), (76, 6843155), (95, 5474524), (110, 4727998), (121, 4298180), (190, 2737262), (209, 2488420), (220, 2363999), (242, 2149090), (380, 1368631), (418, 1244210), (484, 1074545), (605, 859636), (836, 622105), (1045, 497684), (1210, 429818), (2090, 248842), (2299, 226220), (2420, 214909), (4180, 124421), (4598, 113110), (9196, 56555), (11311, 45980), (11495, 45244), (22622, 22990)]