2015246780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{54673}}^1$

素因数の和:54798

約数の個数: 48

約数和(自身を含む): 4500763680

約数和(自身を除く): 2485516900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1843, 1940, 3686, 7372, 9215, 18430, 36860, 54673, 109346, 218692, 273365, 546730, 1038787, 1093460, 2077574, 4155148, 5193935, 5303281, 10387870, 10606562, 20775740, 21213124, 26516405, 53032810, 100762339, 106065620, 201524678, 403049356, 503811695, 1007623390, 2015246780]

約数ペア:

[(1, 2015246780), (2, 1007623390), (4, 503811695), (5, 403049356), (10, 201524678), (19, 106065620), (20, 100762339), (38, 53032810), (76, 26516405), (95, 21213124), (97, 20775740), (190, 10606562), (194, 10387870), (380, 5303281), (388, 5193935), (485, 4155148), (970, 2077574), (1843, 1093460), (1940, 1038787), (3686, 546730), (7372, 273365), (9215, 218692), (18430, 109346), (36860, 54673)]