990147235

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{809}}^1$

素因数の和:877

約数の個数: 72

約数和(自身を含む): 1587509280

約数和(自身を除く): 597362045

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 121, 187, 289, 385, 595, 605, 809, 847, 935, 1309, 1445, 2023, 2057, 3179, 4045, 4235, 5663, 6545, 8899, 10115, 10285, 13753, 14399, 15895, 22253, 28315, 34969, 44495, 62293, 68765, 71995, 96271, 97889, 111265, 151283, 174845, 233801, 244783, 311465, 481355, 489445, 685223, 756415, 1058981, 1169005, 1223915, 1636607, 1664113, 2571811, 3426115, 5294905, 8183035, 8320565, 11648791, 12859055, 18002677, 28289921, 58243955, 90013385, 141449605, 198029447, 990147235]

約数ペア:

[(1, 990147235), (5, 198029447), (7, 141449605), (11, 90013385), (17, 58243955), (35, 28289921), (55, 18002677), (77, 12859055), (85, 11648791), (119, 8320565), (121, 8183035), (187, 5294905), (289, 3426115), (385, 2571811), (595, 1664113), (605, 1636607), (809, 1223915), (847, 1169005), (935, 1058981), (1309, 756415), (1445, 685223), (2023, 489445), (2057, 481355), (3179, 311465), (4045, 244783), (4235, 233801), (5663, 174845), (6545, 151283), (8899, 111265), (10115, 97889), (10285, 96271), (13753, 71995), (14399, 68765), (15895, 62293), (22253, 44495), (28315, 34969)]