201879560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{541}}^1$

素因数の和:1062

約数の個数: 64

約数和(自身を含む): 479995200

約数和(自身を除く): 278115640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 491, 541, 760, 982, 1082, 1964, 2164, 2455, 2705, 3928, 4328, 4910, 5410, 9329, 9820, 10279, 10820, 18658, 19640, 20558, 21640, 37316, 41116, 46645, 51395, 74632, 82232, 93290, 102790, 186580, 205580, 265631, 373160, 411160, 531262, 1062524, 1328155, 2125048, 2656310, 5046989, 5312620, 10093978, 10625240, 20187956, 25234945, 40375912, 50469890, 100939780, 201879560]

約数ペア:

[(1, 201879560), (2, 100939780), (4, 50469890), (5, 40375912), (8, 25234945), (10, 20187956), (19, 10625240), (20, 10093978), (38, 5312620), (40, 5046989), (76, 2656310), (95, 2125048), (152, 1328155), (190, 1062524), (380, 531262), (491, 411160), (541, 373160), (760, 265631), (982, 205580), (1082, 186580), (1964, 102790), (2164, 93290), (2455, 82232), (2705, 74632), (3928, 51395), (4328, 46645), (4910, 41116), (5410, 37316), (9329, 21640), (9820, 20558), (10279, 19640), (10820, 18658)]