620199220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1\times {\mathrm{1663}}^1$

素因数の和:2344

約数の個数: 48

約数和(自身を含む): 1350236160

約数和(自身を除く): 730036940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 643, 1286, 1663, 2572, 3215, 3326, 6430, 6652, 8315, 12860, 16630, 18647, 33260, 37294, 48227, 74588, 93235, 96454, 186470, 192908, 241135, 372940, 482270, 964540, 1069309, 2138618, 4277236, 5346545, 10693090, 21386180, 31009961, 62019922, 124039844, 155049805, 310099610, 620199220]

約数ペア:

[(1, 620199220), (2, 310099610), (4, 155049805), (5, 124039844), (10, 62019922), (20, 31009961), (29, 21386180), (58, 10693090), (116, 5346545), (145, 4277236), (290, 2138618), (580, 1069309), (643, 964540), (1286, 482270), (1663, 372940), (2572, 241135), (3215, 192908), (3326, 186470), (6430, 96454), (6652, 93235), (8315, 74588), (12860, 48227), (16630, 37294), (18647, 33260)]