282296920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{64747}}^1$

素因数の和:64867

約数の個数: 32

約数和(自身を含む): 641005200

約数和(自身を除く): 358708280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 64747, 129494, 258988, 323735, 517976, 647470, 1294940, 2589880, 7057423, 14114846, 28229692, 35287115, 56459384, 70574230, 141148460, 282296920]

約数ペア:

[(1, 282296920), (2, 141148460), (4, 70574230), (5, 56459384), (8, 35287115), (10, 28229692), (20, 14114846), (40, 7057423), (109, 2589880), (218, 1294940), (436, 647470), (545, 517976), (872, 323735), (1090, 258988), (2180, 129494), (4360, 64747)]