201906920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1783}}^1$

素因数の和:1962

約数の個数: 64

約数和(自身を含む): 481680000

約数和(自身を除く): 279773080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 596, 745, 760, 1192, 1490, 1783, 2831, 2980, 3566, 5662, 5960, 7132, 8915, 11324, 14155, 14264, 17830, 22648, 28310, 33877, 35660, 56620, 67754, 71320, 113240, 135508, 169385, 265667, 271016, 338770, 531334, 677540, 1062668, 1328335, 1355080, 2125336, 2656670, 5047673, 5313340, 10095346, 10626680, 20190692, 25238365, 40381384, 50476730, 100953460, 201906920]

約数ペア:

[(1, 201906920), (2, 100953460), (4, 50476730), (5, 40381384), (8, 25238365), (10, 20190692), (19, 10626680), (20, 10095346), (38, 5313340), (40, 5047673), (76, 2656670), (95, 2125336), (149, 1355080), (152, 1328335), (190, 1062668), (298, 677540), (380, 531334), (596, 338770), (745, 271016), (760, 265667), (1192, 169385), (1490, 135508), (1783, 113240), (2831, 71320), (2980, 67754), (3566, 56620), (5662, 35660), (5960, 33877), (7132, 28310), (8915, 22648), (11324, 17830), (14155, 14264)]