3158540

素因数分解:

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

素因数の和:327

約数の個数: 72

約数和(自身を含む): 8446032

約数和(自身を除く): 5287492

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 293, 308, 385, 490, 539, 586, 770, 980, 1078, 1172, 1465, 1540, 2051, 2156, 2695, 2930, 3223, 4102, 5390, 5860, 6446, 8204, 10255, 10780, 12892, 14357, 16115, 20510, 22561, 28714, 32230, 41020, 45122, 57428, 64460, 71785, 90244, 112805, 143570, 157927, 225610, 287140, 315854, 451220, 631708, 789635, 1579270, 3158540]

約数ペア:

[(1, 3158540), (2, 1579270), (4, 789635), (5, 631708), (7, 451220), (10, 315854), (11, 287140), (14, 225610), (20, 157927), (22, 143570), (28, 112805), (35, 90244), (44, 71785), (49, 64460), (55, 57428), (70, 45122), (77, 41020), (98, 32230), (110, 28714), (140, 22561), (154, 20510), (196, 16115), (220, 14357), (245, 12892), (293, 10780), (308, 10255), (385, 8204), (490, 6446), (539, 5860), (586, 5390), (770, 4102), (980, 3223), (1078, 2930), (1172, 2695), (1465, 2156), (1540, 2051)]