156964675

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 232752960

約数和(自身を除く): 75788285

約数列:

[1, 5, 7, 25, 29, 35, 145, 157, 175, 197, 203, 725, 785, 985, 1015, 1099, 1379, 3925, 4553, 4925, 5075, 5495, 5713, 6895, 22765, 27475, 28565, 30929, 31871, 34475, 39991, 113825, 142825, 154645, 159355, 199955, 216503, 773225, 796775, 896941, 999775, 1082515, 4484705, 5412575, 6278587, 22423525, 31392935, 156964675]

約数ペア:

[(1, 156964675), (5, 31392935), (7, 22423525), (25, 6278587), (29, 5412575), (35, 4484705), (145, 1082515), (157, 999775), (175, 896941), (197, 796775), (203, 773225), (725, 216503), (785, 199955), (985, 159355), (1015, 154645), (1099, 142825), (1379, 113825), (3925, 39991), (4553, 34475), (4925, 31871), (5075, 30929), (5495, 28565), (5713, 27475), (6895, 22765)]