210323920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{138371}}^1$

素因数の和:138403

約数の個数: 40

約数和(自身を含む): 514743840

約数和(自身を除く): 304419920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 138371, 276742, 553484, 691855, 1106968, 1383710, 2213936, 2629049, 2767420, 5258098, 5534840, 10516196, 11069680, 13145245, 21032392, 26290490, 42064784, 52580980, 105161960, 210323920]

約数ペア:

[(1, 210323920), (2, 105161960), (4, 52580980), (5, 42064784), (8, 26290490), (10, 21032392), (16, 13145245), (19, 11069680), (20, 10516196), (38, 5534840), (40, 5258098), (76, 2767420), (80, 2629049), (95, 2213936), (152, 1383710), (190, 1106968), (304, 691855), (380, 553484), (760, 276742), (1520, 138371)]