400205904

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1191089}}^1$

素因数の和:1191107

約数の個数: 40

約数和(自身を含む): 1181561280

約数和(自身を除く): 781355376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1191089, 2382178, 3573267, 4764356, 7146534, 8337623, 9528712, 14293068, 16675246, 19057424, 25012869, 28586136, 33350492, 50025738, 57172272, 66700984, 100051476, 133401968, 200102952, 400205904]

約数ペア:

[(1, 400205904), (2, 200102952), (3, 133401968), (4, 100051476), (6, 66700984), (7, 57172272), (8, 50025738), (12, 33350492), (14, 28586136), (16, 25012869), (21, 19057424), (24, 16675246), (28, 14293068), (42, 9528712), (48, 8337623), (56, 7146534), (84, 4764356), (112, 3573267), (168, 2382178), (336, 1191089)]