7755020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4261}}^1$

素因数の和:4290

約数の個数: 48

約数和(自身を含む): 20048448

約数和(自身を除く): 12293428

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4261, 8522, 17044, 21305, 29827, 42610, 55393, 59654, 85220, 110786, 119308, 149135, 221572, 276965, 298270, 387751, 553930, 596540, 775502, 1107860, 1551004, 1938755, 3877510, 7755020]

約数ペア:

[(1, 7755020), (2, 3877510), (4, 1938755), (5, 1551004), (7, 1107860), (10, 775502), (13, 596540), (14, 553930), (20, 387751), (26, 298270), (28, 276965), (35, 221572), (52, 149135), (65, 119308), (70, 110786), (91, 85220), (130, 59654), (140, 55393), (182, 42610), (260, 29827), (364, 21305), (455, 17044), (910, 8522), (1820, 4261)]