90484900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1913}}^1$

素因数の和:1981

約数の個数: 72

約数和(自身を含む): 219298464

約数和(自身を除く): 128813564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 50, 55, 86, 100, 110, 172, 215, 220, 275, 430, 473, 550, 860, 946, 1075, 1100, 1892, 1913, 2150, 2365, 3826, 4300, 4730, 7652, 9460, 9565, 11825, 19130, 21043, 23650, 38260, 42086, 47300, 47825, 82259, 84172, 95650, 105215, 164518, 191300, 210430, 329036, 411295, 420860, 526075, 822590, 904849, 1052150, 1645180, 1809698, 2056475, 2104300, 3619396, 4112950, 4524245, 8225900, 9048490, 18096980, 22621225, 45242450, 90484900]

約数ペア:

[(1, 90484900), (2, 45242450), (4, 22621225), (5, 18096980), (10, 9048490), (11, 8225900), (20, 4524245), (22, 4112950), (25, 3619396), (43, 2104300), (44, 2056475), (50, 1809698), (55, 1645180), (86, 1052150), (100, 904849), (110, 822590), (172, 526075), (215, 420860), (220, 411295), (275, 329036), (430, 210430), (473, 191300), (550, 164518), (860, 105215), (946, 95650), (1075, 84172), (1100, 82259), (1892, 47825), (1913, 47300), (2150, 42086), (2365, 38260), (3826, 23650), (4300, 21043), (4730, 19130), (7652, 11825), (9460, 9565)]