27408220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1429}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 66306240

約数和(自身を除く): 38898020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1429, 1918, 2740, 2858, 3836, 4795, 5716, 7145, 9590, 10003, 14290, 19180, 20006, 28580, 40012, 50015, 100030, 195773, 200060, 391546, 783092, 978865, 1370411, 1957730, 2740822, 3915460, 5481644, 6852055, 13704110, 27408220]

約数ペア:

[(1, 27408220), (2, 13704110), (4, 6852055), (5, 5481644), (7, 3915460), (10, 2740822), (14, 1957730), (20, 1370411), (28, 978865), (35, 783092), (70, 391546), (137, 200060), (140, 195773), (274, 100030), (548, 50015), (685, 40012), (959, 28580), (1370, 20006), (1429, 19180), (1918, 14290), (2740, 10003), (2858, 9590), (3836, 7145), (4795, 5716)]