4455220

素因数分解:

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

素因数の和:301

約数の個数: 72

約数和(自身を含む): 11797632

約数和(自身を除く): 7342412

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 263, 308, 385, 484, 526, 605, 770, 847, 1052, 1210, 1315, 1540, 1694, 1841, 2420, 2630, 2893, 3388, 3682, 4235, 5260, 5786, 7364, 8470, 9205, 11572, 14465, 16940, 18410, 20251, 28930, 31823, 36820, 40502, 57860, 63646, 81004, 101255, 127292, 159115, 202510, 222761, 318230, 405020, 445522, 636460, 891044, 1113805, 2227610, 4455220]

約数ペア:

[(1, 4455220), (2, 2227610), (4, 1113805), (5, 891044), (7, 636460), (10, 445522), (11, 405020), (14, 318230), (20, 222761), (22, 202510), (28, 159115), (35, 127292), (44, 101255), (55, 81004), (70, 63646), (77, 57860), (110, 40502), (121, 36820), (140, 31823), (154, 28930), (220, 20251), (242, 18410), (263, 16940), (308, 14465), (385, 11572), (484, 9205), (526, 8470), (605, 7364), (770, 5786), (847, 5260), (1052, 4235), (1210, 3682), (1315, 3388), (1540, 2893), (1694, 2630), (1841, 2420)]