173720920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{1097}}^1$

素因数の和:1252

約数の個数: 64

約数和(自身を含む): 405557280

約数和(自身を除く): 231836360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 107, 148, 185, 214, 296, 370, 428, 535, 740, 856, 1070, 1097, 1480, 2140, 2194, 3959, 4280, 4388, 5485, 7918, 8776, 10970, 15836, 19795, 21940, 31672, 39590, 40589, 43880, 79180, 81178, 117379, 158360, 162356, 202945, 234758, 324712, 405890, 469516, 586895, 811780, 939032, 1173790, 1623560, 2347580, 4343023, 4695160, 8686046, 17372092, 21715115, 34744184, 43430230, 86860460, 173720920]

約数ペア:

[(1, 173720920), (2, 86860460), (4, 43430230), (5, 34744184), (8, 21715115), (10, 17372092), (20, 8686046), (37, 4695160), (40, 4343023), (74, 2347580), (107, 1623560), (148, 1173790), (185, 939032), (214, 811780), (296, 586895), (370, 469516), (428, 405890), (535, 324712), (740, 234758), (856, 202945), (1070, 162356), (1097, 158360), (1480, 117379), (2140, 81178), (2194, 79180), (3959, 43880), (4280, 40589), (4388, 39590), (5485, 31672), (7918, 21940), (8776, 19795), (10970, 15836)]