2911180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 6612480

約数和(自身を除く): 3701300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 163, 188, 190, 235, 326, 380, 470, 652, 815, 893, 940, 1630, 1786, 3097, 3260, 3572, 4465, 6194, 7661, 8930, 12388, 15322, 15485, 17860, 30644, 30970, 38305, 61940, 76610, 145559, 153220, 291118, 582236, 727795, 1455590, 2911180]

約数ペア:

[(1, 2911180), (2, 1455590), (4, 727795), (5, 582236), (10, 291118), (19, 153220), (20, 145559), (38, 76610), (47, 61940), (76, 38305), (94, 30970), (95, 30644), (163, 17860), (188, 15485), (190, 15322), (235, 12388), (326, 8930), (380, 7661), (470, 6194), (652, 4465), (815, 3572), (893, 3260), (940, 3097), (1630, 1786)]