81015550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1913}}^1$

素因数の和:1954

約数の個数: 72

約数和(自身を含む): 189394128

約数和(自身を除く): 108378578

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 121, 154, 175, 242, 275, 350, 385, 550, 605, 770, 847, 1210, 1694, 1913, 1925, 3025, 3826, 3850, 4235, 6050, 8470, 9565, 13391, 19130, 21043, 21175, 26782, 42086, 42350, 47825, 66955, 95650, 105215, 133910, 147301, 210430, 231473, 294602, 334775, 462946, 526075, 669550, 736505, 1052150, 1157365, 1473010, 1620311, 2314730, 3240622, 3682525, 5786825, 7365050, 8101555, 11573650, 16203110, 40507775, 81015550]

約数ペア:

[(1, 81015550), (2, 40507775), (5, 16203110), (7, 11573650), (10, 8101555), (11, 7365050), (14, 5786825), (22, 3682525), (25, 3240622), (35, 2314730), (50, 1620311), (55, 1473010), (70, 1157365), (77, 1052150), (110, 736505), (121, 669550), (154, 526075), (175, 462946), (242, 334775), (275, 294602), (350, 231473), (385, 210430), (550, 147301), (605, 133910), (770, 105215), (847, 95650), (1210, 66955), (1694, 47825), (1913, 42350), (1925, 42086), (3025, 26782), (3826, 21175), (3850, 21043), (4235, 19130), (6050, 13391), (8470, 9565)]