2947793320

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{222643}}^1$

素因数の和:222985

約数の個数: 32

約数和(自身を含む): 6652602720

約数和(自身を除く): 3704809400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 222643, 445286, 890572, 1113215, 1781144, 2226430, 4452860, 8905720, 73694833, 147389666, 294779332, 368474165, 589558664, 736948330, 1473896660, 2947793320]

約数ペア:

[(1, 2947793320), (2, 1473896660), (4, 736948330), (5, 589558664), (8, 368474165), (10, 294779332), (20, 147389666), (40, 73694833), (331, 8905720), (662, 4452860), (1324, 2226430), (1655, 1781144), (2648, 1113215), (3310, 890572), (6620, 445286), (13240, 222643)]