131991440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{235699}}^1$

素因数の和:235719

約数の個数: 40

約数和(自身を含む): 350721600

約数和(自身を除く): 218730160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 235699, 471398, 942796, 1178495, 1649893, 1885592, 2356990, 3299786, 3771184, 4713980, 6599572, 8249465, 9427960, 13199144, 16498930, 18855920, 26398288, 32997860, 65995720, 131991440]

約数ペア:

[(1, 131991440), (2, 65995720), (4, 32997860), (5, 26398288), (7, 18855920), (8, 16498930), (10, 13199144), (14, 9427960), (16, 8249465), (20, 6599572), (28, 4713980), (35, 3771184), (40, 3299786), (56, 2356990), (70, 1885592), (80, 1649893), (112, 1178495), (140, 942796), (280, 471398), (560, 235699)]