31316740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17207}}^1$

素因数の和:17236

約数の個数: 48

約数和(自身を含む): 80946432

約数和(自身を除く): 49629692

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 17207, 34414, 68828, 86035, 120449, 172070, 223691, 240898, 344140, 447382, 481796, 602245, 894764, 1118455, 1204490, 1565837, 2236910, 2408980, 3131674, 4473820, 6263348, 7829185, 15658370, 31316740]

約数ペア:

[(1, 31316740), (2, 15658370), (4, 7829185), (5, 6263348), (7, 4473820), (10, 3131674), (13, 2408980), (14, 2236910), (20, 1565837), (26, 1204490), (28, 1118455), (35, 894764), (52, 602245), (65, 481796), (70, 447382), (91, 344140), (130, 240898), (140, 223691), (182, 172070), (260, 120449), (364, 86035), (455, 68828), (910, 34414), (1820, 17207)]