54981290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1949}}^1$

素因数の和:2007

約数の個数: 64

約数和(自身を含む): 125798400

約数和(自身を除く): 70817110

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 1949, 2015, 2170, 2821, 3898, 4030, 5642, 9745, 13643, 14105, 19490, 25337, 27286, 28210, 50674, 60419, 68215, 120838, 126685, 136430, 177359, 253370, 302095, 354718, 422933, 604190, 785447, 845866, 886795, 1570894, 1773590, 2114665, 3927235, 4229330, 5498129, 7854470, 10996258, 27490645, 54981290]

約数ペア:

[(1, 54981290), (2, 27490645), (5, 10996258), (7, 7854470), (10, 5498129), (13, 4229330), (14, 3927235), (26, 2114665), (31, 1773590), (35, 1570894), (62, 886795), (65, 845866), (70, 785447), (91, 604190), (130, 422933), (155, 354718), (182, 302095), (217, 253370), (310, 177359), (403, 136430), (434, 126685), (455, 120838), (806, 68215), (910, 60419), (1085, 50674), (1949, 28210), (2015, 27286), (2170, 25337), (2821, 19490), (3898, 14105), (4030, 13643), (5642, 9745)]