320199152

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{219917}}^1$

素因数の和:219945

約数の個数: 40

約数和(自身を含む): 763555296

約数和(自身を除く): 443356144

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 219917, 439834, 879668, 1539419, 1759336, 2858921, 3078838, 3518672, 5717842, 6157676, 11435684, 12315352, 20012447, 22871368, 24630704, 40024894, 45742736, 80049788, 160099576, 320199152]

約数ペア:

[(1, 320199152), (2, 160099576), (4, 80049788), (7, 45742736), (8, 40024894), (13, 24630704), (14, 22871368), (16, 20012447), (26, 12315352), (28, 11435684), (52, 6157676), (56, 5717842), (91, 3518672), (104, 3078838), (112, 2858921), (182, 1759336), (208, 1539419), (364, 879668), (728, 439834), (1456, 219917)]