779730925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 1051807680

約数和(自身を除く): 272076755

約数列:

[1, 5, 17, 25, 67, 85, 139, 197, 335, 425, 695, 985, 1139, 1675, 2363, 3349, 3475, 4925, 5695, 9313, 11815, 13199, 16745, 27383, 28475, 46565, 59075, 65995, 83725, 136915, 158321, 224383, 232825, 329975, 465511, 684575, 791605, 1121915, 1834661, 2327555, 3958025, 5609575, 9173305, 11637775, 31189237, 45866525, 155946185, 779730925]

約数ペア:

[(1, 779730925), (5, 155946185), (17, 45866525), (25, 31189237), (67, 11637775), (85, 9173305), (139, 5609575), (197, 3958025), (335, 2327555), (425, 1834661), (695, 1121915), (985, 791605), (1139, 684575), (1675, 465511), (2363, 329975), (3349, 232825), (3475, 224383), (4925, 158321), (5695, 136915), (9313, 83725), (11815, 65995), (13199, 59075), (16745, 46565), (27383, 28475)]