451220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 1185408

約数和(自身を除く): 734188

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 293, 308, 385, 586, 770, 1172, 1465, 1540, 2051, 2930, 3223, 4102, 5860, 6446, 8204, 10255, 12892, 16115, 20510, 22561, 32230, 41020, 45122, 64460, 90244, 112805, 225610, 451220]

約数ペア:

[(1, 451220), (2, 225610), (4, 112805), (5, 90244), (7, 64460), (10, 45122), (11, 41020), (14, 32230), (20, 22561), (22, 20510), (28, 16115), (35, 12892), (44, 10255), (55, 8204), (70, 6446), (77, 5860), (110, 4102), (140, 3223), (154, 2930), (220, 2051), (293, 1540), (308, 1465), (385, 1172), (586, 770)]