309753920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{138283}}^1$

素因数の和:138307

約数の個数: 56

約数和(自身を含む): 842979264

約数和(自身を除く): 533225344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 138283, 276566, 553132, 691415, 967981, 1106264, 1382830, 1935962, 2212528, 2765660, 3871924, 4425056, 4839905, 5531320, 7743848, 8850112, 9679810, 11062640, 15487696, 19359620, 22125280, 30975392, 38719240, 44250560, 61950784, 77438480, 154876960, 309753920]

約数ペア:

[(1, 309753920), (2, 154876960), (4, 77438480), (5, 61950784), (7, 44250560), (8, 38719240), (10, 30975392), (14, 22125280), (16, 19359620), (20, 15487696), (28, 11062640), (32, 9679810), (35, 8850112), (40, 7743848), (56, 5531320), (64, 4839905), (70, 4425056), (80, 3871924), (112, 2765660), (140, 2212528), (160, 1935962), (224, 1382830), (280, 1106264), (320, 967981), (448, 691415), (560, 553132), (1120, 276566), (2240, 138283)]