8889408100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{7151}}^1$

素因数の和:7597

約数の個数: 72

約数和(自身を含む): 19964722176

約数和(自身を除く): 11075314076

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 401, 620, 775, 802, 1550, 1604, 2005, 3100, 4010, 7151, 8020, 10025, 12431, 14302, 20050, 24862, 28604, 35755, 40100, 49724, 62155, 71510, 124310, 143020, 178775, 221681, 248620, 310775, 357550, 443362, 621550, 715100, 886724, 1108405, 1243100, 2216810, 2867551, 4433620, 5542025, 5735102, 11084050, 11470204, 14337755, 22168100, 28675510, 57351020, 71688775, 88894081, 143377550, 177788162, 286755100, 355576324, 444470405, 888940810, 1777881620, 2222352025, 4444704050, 8889408100]

約数ペア:

[(1, 8889408100), (2, 4444704050), (4, 2222352025), (5, 1777881620), (10, 888940810), (20, 444470405), (25, 355576324), (31, 286755100), (50, 177788162), (62, 143377550), (100, 88894081), (124, 71688775), (155, 57351020), (310, 28675510), (401, 22168100), (620, 14337755), (775, 11470204), (802, 11084050), (1550, 5735102), (1604, 5542025), (2005, 4433620), (3100, 2867551), (4010, 2216810), (7151, 1243100), (8020, 1108405), (10025, 886724), (12431, 715100), (14302, 621550), (20050, 443362), (24862, 357550), (28604, 310775), (35755, 248620), (40100, 221681), (49724, 178775), (62155, 143020), (71510, 124310)]