281736990010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{401}}^1\times {\mathrm{1433849}}^1$

素因数の和:1434271

約数の個数: 48

約数和(自身を含む): 591394300200

約数和(自身を除く): 309657310190

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 401, 490, 802, 2005, 2807, 4010, 5614, 14035, 19649, 28070, 39298, 98245, 196490, 1433849, 2867698, 7169245, 10036943, 14338490, 20073886, 50184715, 70258601, 100369430, 140517202, 351293005, 574973449, 702586010, 1149946898, 2874867245, 4024814143, 5749734490, 8049628286, 20124070715, 28173699001, 40248141430, 56347398002, 140868495005, 281736990010]

約数ペア:

[(1, 281736990010), (2, 140868495005), (5, 56347398002), (7, 40248141430), (10, 28173699001), (14, 20124070715), (35, 8049628286), (49, 5749734490), (70, 4024814143), (98, 2874867245), (245, 1149946898), (401, 702586010), (490, 574973449), (802, 351293005), (2005, 140517202), (2807, 100369430), (4010, 70258601), (5614, 50184715), (14035, 20073886), (19649, 14338490), (28070, 10036943), (39298, 7169245), (98245, 2867698), (196490, 1433849)]