388201540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{35227}}^1$

素因数の和:35284

約数の個数: 48

約数和(自身を含む): 887745600

約数和(自身を除く): 499544060

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 11020, 35227, 70454, 140908, 176135, 352270, 669313, 704540, 1021583, 1338626, 2043166, 2677252, 3346565, 4086332, 5107915, 6693130, 10215830, 13386260, 19410077, 20431660, 38820154, 77640308, 97050385, 194100770, 388201540]

約数ペア:

[(1, 388201540), (2, 194100770), (4, 97050385), (5, 77640308), (10, 38820154), (19, 20431660), (20, 19410077), (29, 13386260), (38, 10215830), (58, 6693130), (76, 5107915), (95, 4086332), (116, 3346565), (145, 2677252), (190, 2043166), (290, 1338626), (380, 1021583), (551, 704540), (580, 669313), (1102, 352270), (2204, 176135), (2755, 140908), (5510, 70454), (11020, 35227)]