389583180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{309193}}^1$

素因数の和:309215

約数の個数: 72

約数和(自身を含む): 1350559392

約数和(自身を除く): 960976212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 309193, 618386, 927579, 1236772, 1545965, 1855158, 2164351, 2782737, 3091930, 3710316, 4328702, 4637895, 5565474, 6183860, 6493053, 8657404, 9275790, 10821755, 11130948, 12986106, 13913685, 18551580, 19479159, 21643510, 25972212, 27827370, 32465265, 38958318, 43287020, 55654740, 64930530, 77916636, 97395795, 129861060, 194791590, 389583180]

約数ペア:

[(1, 389583180), (2, 194791590), (3, 129861060), (4, 97395795), (5, 77916636), (6, 64930530), (7, 55654740), (9, 43287020), (10, 38958318), (12, 32465265), (14, 27827370), (15, 25972212), (18, 21643510), (20, 19479159), (21, 18551580), (28, 13913685), (30, 12986106), (35, 11130948), (36, 10821755), (42, 9275790), (45, 8657404), (60, 6493053), (63, 6183860), (70, 5565474), (84, 4637895), (90, 4328702), (105, 3710316), (126, 3091930), (140, 2782737), (180, 2164351), (210, 1855158), (252, 1545965), (315, 1236772), (420, 927579), (630, 618386), (1260, 309193)]