396801790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1657}}^1$

素因数の和:1993

約数の個数: 64

約数和(自身を含む): 893887488

約数和(自身を除く): 497085698

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 311, 385, 622, 770, 1555, 1657, 2177, 3110, 3314, 3421, 4354, 6842, 8285, 10885, 11599, 16570, 17105, 18227, 21770, 23198, 23947, 34210, 36454, 47894, 57995, 91135, 115990, 119735, 127589, 182270, 239470, 255178, 515327, 637945, 1030654, 1275890, 2576635, 3607289, 5153270, 5668597, 7214578, 11337194, 18036445, 28342985, 36072890, 39680179, 56685970, 79360358, 198400895, 396801790]

約数ペア:

[(1, 396801790), (2, 198400895), (5, 79360358), (7, 56685970), (10, 39680179), (11, 36072890), (14, 28342985), (22, 18036445), (35, 11337194), (55, 7214578), (70, 5668597), (77, 5153270), (110, 3607289), (154, 2576635), (311, 1275890), (385, 1030654), (622, 637945), (770, 515327), (1555, 255178), (1657, 239470), (2177, 182270), (3110, 127589), (3314, 119735), (3421, 115990), (4354, 91135), (6842, 57995), (8285, 47894), (10885, 36454), (11599, 34210), (16570, 23947), (17105, 23198), (18227, 21770)]