2017378940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{17977}}^1$

素因数の和:18198

約数の個数: 48

約数和(自身を含む): 4397562624

約数和(自身を除く): 2380183684

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 181, 310, 362, 620, 724, 905, 1810, 3620, 5611, 11222, 17977, 22444, 28055, 35954, 56110, 71908, 89885, 112220, 179770, 359540, 557287, 1114574, 2229148, 2786435, 3253837, 5572870, 6507674, 11145740, 13015348, 16269185, 32538370, 65076740, 100868947, 201737894, 403475788, 504344735, 1008689470, 2017378940]

約数ペア:

[(1, 2017378940), (2, 1008689470), (4, 504344735), (5, 403475788), (10, 201737894), (20, 100868947), (31, 65076740), (62, 32538370), (124, 16269185), (155, 13015348), (181, 11145740), (310, 6507674), (362, 5572870), (620, 3253837), (724, 2786435), (905, 2229148), (1810, 1114574), (3620, 557287), (5611, 359540), (11222, 179770), (17977, 112220), (22444, 89885), (28055, 71908), (35954, 56110)]