2215970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 4276800

約数和(自身を除く): 2060830

約数列:

[1, 2, 5, 10, 19, 38, 95, 107, 109, 190, 214, 218, 535, 545, 1070, 1090, 2033, 2071, 4066, 4142, 10165, 10355, 11663, 20330, 20710, 23326, 58315, 116630, 221597, 443194, 1107985, 2215970]

約数ペア:

[(1, 2215970), (2, 1107985), (5, 443194), (10, 221597), (19, 116630), (38, 58315), (95, 23326), (107, 20710), (109, 20330), (190, 11663), (214, 10355), (218, 10165), (535, 4142), (545, 4066), (1070, 2071), (1090, 2033)]