276731720

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{16433}}^1$

素因数の和:16865

約数の個数: 32

約数和(自身を含む): 624163320

約数和(自身を除く): 347431600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 16433, 16840, 32866, 65732, 82165, 131464, 164330, 328660, 657320, 6918293, 13836586, 27673172, 34591465, 55346344, 69182930, 138365860, 276731720]

約数ペア:

[(1, 276731720), (2, 138365860), (4, 69182930), (5, 55346344), (8, 34591465), (10, 27673172), (20, 13836586), (40, 6918293), (421, 657320), (842, 328660), (1684, 164330), (2105, 131464), (3368, 82165), (4210, 65732), (8420, 32866), (16433, 16840)]