246782380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1949}}^1$

素因数の和:2458

約数の個数: 48

約数和(自身を含む): 559540800

約数和(自身を除く): 312758420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 487, 974, 1948, 1949, 2435, 3898, 4870, 6331, 7796, 9740, 9745, 12662, 19490, 25324, 25337, 31655, 38980, 50674, 63310, 101348, 126620, 126685, 253370, 506740, 949163, 1898326, 3796652, 4745815, 9491630, 12339119, 18983260, 24678238, 49356476, 61695595, 123391190, 246782380]

約数ペア:

[(1, 246782380), (2, 123391190), (4, 61695595), (5, 49356476), (10, 24678238), (13, 18983260), (20, 12339119), (26, 9491630), (52, 4745815), (65, 3796652), (130, 1898326), (260, 949163), (487, 506740), (974, 253370), (1948, 126685), (1949, 126620), (2435, 101348), (3898, 63310), (4870, 50674), (6331, 38980), (7796, 31655), (9740, 25337), (9745, 25324), (12662, 19490)]