28937580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68899}}^1$

素因数の和:68918

約数の個数: 48

約数和(自身を含む): 92601600

約数和(自身を除く): 63664020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 68899, 137798, 206697, 275596, 344495, 413394, 482293, 688990, 826788, 964586, 1033485, 1377980, 1446879, 1929172, 2066970, 2411465, 2893758, 4133940, 4822930, 5787516, 7234395, 9645860, 14468790, 28937580]

約数ペア:

[(1, 28937580), (2, 14468790), (3, 9645860), (4, 7234395), (5, 5787516), (6, 4822930), (7, 4133940), (10, 2893758), (12, 2411465), (14, 2066970), (15, 1929172), (20, 1446879), (21, 1377980), (28, 1033485), (30, 964586), (35, 826788), (42, 688990), (60, 482293), (70, 413394), (84, 344495), (105, 275596), (140, 206697), (210, 137798), (420, 68899)]