30713060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{509}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 74027520

約数和(自身を除く): 43314460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 509, 862, 1018, 1724, 2036, 2155, 2545, 3017, 3563, 4310, 5090, 6034, 7126, 8620, 10180, 12068, 14252, 15085, 17815, 30170, 35630, 60340, 71260, 219379, 438758, 877516, 1096895, 1535653, 2193790, 3071306, 4387580, 6142612, 7678265, 15356530, 30713060]

約数ペア:

[(1, 30713060), (2, 15356530), (4, 7678265), (5, 6142612), (7, 4387580), (10, 3071306), (14, 2193790), (20, 1535653), (28, 1096895), (35, 877516), (70, 438758), (140, 219379), (431, 71260), (509, 60340), (862, 35630), (1018, 30170), (1724, 17815), (2036, 15085), (2155, 14252), (2545, 12068), (3017, 10180), (3563, 8620), (4310, 7126), (5090, 6034)]