142721590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{21991}}^1$

素因数の和:22068

約数の個数: 32

約数和(自身を含む): 285016320

約数和(自身を除く): 142294730

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 295, 590, 649, 1298, 3245, 6490, 21991, 43982, 109955, 219910, 241901, 483802, 1209505, 1297469, 2419010, 2594938, 6487345, 12974690, 14272159, 28544318, 71360795, 142721590]

約数ペア:

[(1, 142721590), (2, 71360795), (5, 28544318), (10, 14272159), (11, 12974690), (22, 6487345), (55, 2594938), (59, 2419010), (110, 1297469), (118, 1209505), (295, 483802), (590, 241901), (649, 219910), (1298, 109955), (3245, 43982), (6490, 21991)]