254324455

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 408282336

約数和(自身を除く): 153957881

約数列:

[1, 5, 7, 11, 23, 35, 49, 55, 77, 115, 121, 161, 245, 253, 373, 385, 539, 605, 805, 847, 1127, 1265, 1771, 1865, 2611, 2695, 2783, 4103, 4235, 5635, 5929, 8579, 8855, 12397, 13055, 13915, 18277, 19481, 20515, 28721, 29645, 42895, 45133, 60053, 61985, 91385, 94369, 97405, 136367, 143605, 201047, 225665, 300265, 315931, 420371, 471845, 660583, 681835, 1005235, 1038059, 1579655, 2101855, 2211517, 3302915, 4624081, 5190295, 7266413, 11057585, 23120405, 36332065, 50864891, 254324455]

約数ペア:

[(1, 254324455), (5, 50864891), (7, 36332065), (11, 23120405), (23, 11057585), (35, 7266413), (49, 5190295), (55, 4624081), (77, 3302915), (115, 2211517), (121, 2101855), (161, 1579655), (245, 1038059), (253, 1005235), (373, 681835), (385, 660583), (539, 471845), (605, 420371), (805, 315931), (847, 300265), (1127, 225665), (1265, 201047), (1771, 143605), (1865, 136367), (2611, 97405), (2695, 94369), (2783, 91385), (4103, 61985), (4235, 60053), (5635, 45133), (5929, 42895), (8579, 29645), (8855, 28721), (12397, 20515), (13055, 19481), (13915, 18277)]