338461640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{769231}}^1$

素因数の和:769253

約数の個数: 32

約数和(自身を含む): 830770560

約数和(自身を除く): 492308920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 769231, 1538462, 3076924, 3846155, 6153848, 7692310, 8461541, 15384620, 16923082, 30769240, 33846164, 42307705, 67692328, 84615410, 169230820, 338461640]

約数ペア:

[(1, 338461640), (2, 169230820), (4, 84615410), (5, 67692328), (8, 42307705), (10, 33846164), (11, 30769240), (20, 16923082), (22, 15384620), (40, 8461541), (44, 7692310), (55, 6153848), (88, 3846155), (110, 3076924), (220, 1538462), (440, 769231)]