2220777776

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{683737}}^1$

素因数の和:683781

約数の個数: 40

約数和(自身を含む): 5087010720

約数和(自身を除く): 2866232944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 683737, 1367474, 2734948, 4786159, 5469896, 9572318, 10939792, 19144636, 19828373, 38289272, 39656746, 76578544, 79313492, 138798611, 158626984, 277597222, 317253968, 555194444, 1110388888, 2220777776]

約数ペア:

[(1, 2220777776), (2, 1110388888), (4, 555194444), (7, 317253968), (8, 277597222), (14, 158626984), (16, 138798611), (28, 79313492), (29, 76578544), (56, 39656746), (58, 38289272), (112, 19828373), (116, 19144636), (203, 10939792), (232, 9572318), (406, 5469896), (464, 4786159), (812, 2734948), (1624, 1367474), (3248, 683737)]