247304855

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^2\times {\mathrm{37}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 384304032

約数和(自身を除く): 136999177

約数列:

[1, 5, 7, 19, 23, 35, 37, 95, 115, 133, 161, 185, 259, 361, 437, 529, 665, 703, 805, 851, 1295, 1805, 2185, 2527, 2645, 3059, 3515, 3703, 4255, 4921, 5957, 8303, 10051, 12635, 13357, 15295, 16169, 18515, 19573, 24605, 29785, 41515, 50255, 58121, 66785, 70357, 80845, 93499, 97865, 113183, 137011, 190969, 290605, 307211, 351785, 371887, 467495, 565915, 685055, 954845, 1336783, 1536055, 1859435, 2150477, 2603209, 6683915, 7065853, 10752385, 13016045, 35329265, 49460971, 247304855]

約数ペア:

[(1, 247304855), (5, 49460971), (7, 35329265), (19, 13016045), (23, 10752385), (35, 7065853), (37, 6683915), (95, 2603209), (115, 2150477), (133, 1859435), (161, 1536055), (185, 1336783), (259, 954845), (361, 685055), (437, 565915), (529, 467495), (665, 371887), (703, 351785), (805, 307211), (851, 290605), (1295, 190969), (1805, 137011), (2185, 113183), (2527, 97865), (2645, 93499), (3059, 80845), (3515, 70357), (3703, 66785), (4255, 58121), (4921, 50255), (5957, 41515), (8303, 29785), (10051, 24605), (12635, 19573), (13357, 18515), (15295, 16169)]