220053890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{4889}}^1$

素因数の和:5546

約数の個数: 32

約数和(自身を含む): 453479040

約数和(自身を除く): 233425150

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 643, 1286, 3215, 4501, 4889, 6430, 9002, 9778, 22505, 24445, 34223, 45010, 48890, 68446, 171115, 342230, 3143627, 6287254, 15718135, 22005389, 31436270, 44010778, 110026945, 220053890]

約数ペア:

[(1, 220053890), (2, 110026945), (5, 44010778), (7, 31436270), (10, 22005389), (14, 15718135), (35, 6287254), (70, 3143627), (643, 342230), (1286, 171115), (3215, 68446), (4501, 48890), (4889, 45010), (6430, 34223), (9002, 24445), (9778, 22505)]