8100400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1$

素因数の和:299

約数の個数: 120

約数和(自身を含む): 24355584

約数和(自身を除く): 16255184

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 140, 154, 175, 176, 200, 220, 263, 275, 280, 308, 350, 385, 400, 440, 526, 550, 560, 616, 700, 770, 880, 1052, 1100, 1232, 1315, 1400, 1540, 1841, 1925, 2104, 2200, 2630, 2800, 2893, 3080, 3682, 3850, 4208, 4400, 5260, 5786, 6160, 6575, 7364, 7700, 9205, 10520, 11572, 13150, 14465, 14728, 15400, 18410, 20251, 21040, 23144, 26300, 28930, 29456, 30800, 36820, 40502, 46025, 46288, 52600, 57860, 72325, 73640, 81004, 92050, 101255, 105200, 115720, 144650, 147280, 162008, 184100, 202510, 231440, 289300, 324016, 368200, 405020, 506275, 578600, 736400, 810040, 1012550, 1157200, 1620080, 2025100, 4050200, 8100400]

約数ペア:

[(1, 8100400), (2, 4050200), (4, 2025100), (5, 1620080), (7, 1157200), (8, 1012550), (10, 810040), (11, 736400), (14, 578600), (16, 506275), (20, 405020), (22, 368200), (25, 324016), (28, 289300), (35, 231440), (40, 202510), (44, 184100), (50, 162008), (55, 147280), (56, 144650), (70, 115720), (77, 105200), (80, 101255), (88, 92050), (100, 81004), (110, 73640), (112, 72325), (140, 57860), (154, 52600), (175, 46288), (176, 46025), (200, 40502), (220, 36820), (263, 30800), (275, 29456), (280, 28930), (308, 26300), (350, 23144), (385, 21040), (400, 20251), (440, 18410), (526, 15400), (550, 14728), (560, 14465), (616, 13150), (700, 11572), (770, 10520), (880, 9205), (1052, 7700), (1100, 7364), (1232, 6575), (1315, 6160), (1400, 5786), (1540, 5260), (1841, 4400), (1925, 4208), (2104, 3850), (2200, 3682), (2630, 3080), (2800, 2893)]