289787575

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{179}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 466577280

約数和(自身を除く): 176789705

約数列:

[1, 5, 7, 11, 25, 29, 35, 55, 77, 145, 175, 179, 203, 275, 319, 385, 725, 841, 895, 1015, 1253, 1595, 1925, 1969, 2233, 4205, 4475, 5075, 5191, 5887, 6265, 7975, 9251, 9845, 11165, 13783, 21025, 25955, 29435, 31325, 36337, 46255, 49225, 55825, 57101, 64757, 68915, 129775, 147175, 150539, 181685, 231275, 285505, 323785, 344575, 399707, 752695, 908425, 1053773, 1427525, 1618925, 1655929, 1998535, 3763475, 5268865, 8279645, 9992675, 11591503, 26344325, 41398225, 57957515, 289787575]

約数ペア:

[(1, 289787575), (5, 57957515), (7, 41398225), (11, 26344325), (25, 11591503), (29, 9992675), (35, 8279645), (55, 5268865), (77, 3763475), (145, 1998535), (175, 1655929), (179, 1618925), (203, 1427525), (275, 1053773), (319, 908425), (385, 752695), (725, 399707), (841, 344575), (895, 323785), (1015, 285505), (1253, 231275), (1595, 181685), (1925, 150539), (1969, 147175), (2233, 129775), (4205, 68915), (4475, 64757), (5075, 57101), (5191, 55825), (5887, 49225), (6265, 46255), (7975, 36337), (9251, 31325), (9845, 29435), (11165, 25955), (13783, 21025)]