257376390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{4513}}^1$

素因数の和:6424

約数の個数: 32

約数和(自身を含む): 618165216

約数和(自身を除く): 360788826

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 1901, 3802, 4513, 5703, 9026, 9505, 11406, 13539, 19010, 22565, 27078, 28515, 45130, 57030, 67695, 135390, 8579213, 17158426, 25737639, 42896065, 51475278, 85792130, 128688195, 257376390]

約数ペア:

[(1, 257376390), (2, 128688195), (3, 85792130), (5, 51475278), (6, 42896065), (10, 25737639), (15, 17158426), (30, 8579213), (1901, 135390), (3802, 67695), (4513, 57030), (5703, 45130), (9026, 28515), (9505, 27078), (11406, 22565), (13539, 19010)]