819489790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{84223}}^1$

素因数の和:84376

約数の個数: 32

約数和(自身を含む): 1697955840

約数和(自身を除く): 878466050

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 84223, 168446, 421115, 589561, 842230, 1179122, 2947805, 5895610, 11706997, 23413994, 58534985, 81948979, 117069970, 163897958, 409744895, 819489790]

約数ペア:

[(1, 819489790), (2, 409744895), (5, 163897958), (7, 117069970), (10, 81948979), (14, 58534985), (35, 23413994), (70, 11706997), (139, 5895610), (278, 2947805), (695, 1179122), (973, 842230), (1390, 589561), (1946, 421115), (4865, 168446), (9730, 84223)]