246690290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{320377}}^1$

素因数の和:320402

約数の個数: 32

約数和(自身を含む): 553613184

約数和(自身を除く): 306922894

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 320377, 640754, 1601885, 2242639, 3203770, 3524147, 4485278, 7048294, 11213195, 17620735, 22426390, 24669029, 35241470, 49338058, 123345145, 246690290]

約数ペア:

[(1, 246690290), (2, 123345145), (5, 49338058), (7, 35241470), (10, 24669029), (11, 22426390), (14, 17620735), (22, 11213195), (35, 7048294), (55, 4485278), (70, 3524147), (77, 3203770), (110, 2242639), (154, 1601885), (385, 640754), (770, 320377)]