234798920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{136511}}^1$

素因数の和:136565

約数の個数: 32

約数和(自身を含む): 540587520

約数和(自身を除く): 305788600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 136511, 273022, 546044, 682555, 1092088, 1365110, 2730220, 5460440, 5869973, 11739946, 23479892, 29349865, 46959784, 58699730, 117399460, 234798920]

約数ペア:

[(1, 234798920), (2, 117399460), (4, 58699730), (5, 46959784), (8, 29349865), (10, 23479892), (20, 11739946), (40, 5869973), (43, 5460440), (86, 2730220), (172, 1365110), (215, 1092088), (344, 682555), (430, 546044), (860, 273022), (1720, 136511)]