83982920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{977}}^1$

素因数の和:1302

約数の個数: 64

約数和(自身を含む): 216881280

約数和(自身を除く): 132898360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 614, 977, 1228, 1535, 1954, 2149, 2456, 3070, 3908, 4298, 4885, 6140, 6839, 7816, 8596, 9770, 10745, 12280, 13678, 17192, 19540, 21490, 27356, 34195, 39080, 42980, 54712, 68390, 85960, 136780, 273560, 299939, 599878, 1199756, 1499695, 2099573, 2399512, 2999390, 4199146, 5998780, 8398292, 10497865, 11997560, 16796584, 20995730, 41991460, 83982920]

約数ペア:

[(1, 83982920), (2, 41991460), (4, 20995730), (5, 16796584), (7, 11997560), (8, 10497865), (10, 8398292), (14, 5998780), (20, 4199146), (28, 2999390), (35, 2399512), (40, 2099573), (56, 1499695), (70, 1199756), (140, 599878), (280, 299939), (307, 273560), (614, 136780), (977, 85960), (1228, 68390), (1535, 54712), (1954, 42980), (2149, 39080), (2456, 34195), (3070, 27356), (3908, 21490), (4298, 19540), (4885, 17192), (6140, 13678), (6839, 12280), (7816, 10745), (8596, 9770)]