490402255

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{1049}}^1$

素因数の和:1136

約数の個数: 48

約数和(自身を含む): 729691200

約数和(自身を除く): 239288945

約数列:

[1, 5, 7, 19, 35, 37, 95, 133, 185, 259, 361, 665, 703, 1049, 1295, 1805, 2527, 3515, 4921, 5245, 7343, 12635, 13357, 19931, 24605, 36715, 38813, 66785, 93499, 99655, 139517, 194065, 271691, 378689, 467495, 697585, 737447, 1358455, 1893445, 2650823, 3687235, 5162129, 13254115, 14011493, 25810645, 70057465, 98080451, 490402255]

約数ペア:

[(1, 490402255), (5, 98080451), (7, 70057465), (19, 25810645), (35, 14011493), (37, 13254115), (95, 5162129), (133, 3687235), (185, 2650823), (259, 1893445), (361, 1358455), (665, 737447), (703, 697585), (1049, 467495), (1295, 378689), (1805, 271691), (2527, 194065), (3515, 139517), (4921, 99655), (5245, 93499), (7343, 66785), (12635, 38813), (13357, 36715), (19931, 24605)]