208442920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39181}}^1$

素因数の和:39218

約数の個数: 64

約数和(自身を含む): 564220800

約数和(自身を除く): 355777880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 39181, 78362, 156724, 195905, 274267, 313448, 391810, 548534, 744439, 783620, 1097068, 1371335, 1488878, 1567240, 2194136, 2742670, 2977756, 3722195, 5211073, 5485340, 5955512, 7444390, 10422146, 10970680, 14888780, 20844292, 26055365, 29777560, 41688584, 52110730, 104221460, 208442920]

約数ペア:

[(1, 208442920), (2, 104221460), (4, 52110730), (5, 41688584), (7, 29777560), (8, 26055365), (10, 20844292), (14, 14888780), (19, 10970680), (20, 10422146), (28, 7444390), (35, 5955512), (38, 5485340), (40, 5211073), (56, 3722195), (70, 2977756), (76, 2742670), (95, 2194136), (133, 1567240), (140, 1488878), (152, 1371335), (190, 1097068), (266, 783620), (280, 744439), (380, 548534), (532, 391810), (665, 313448), (760, 274267), (1064, 195905), (1330, 156724), (2660, 78362), (5320, 39181)]