123462620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1123}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 271918080

約数和(自身を除く): 148455460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 239, 460, 478, 956, 1123, 1195, 2246, 2390, 4492, 4780, 5497, 5615, 10994, 11230, 21988, 22460, 25829, 27485, 51658, 54970, 103316, 109940, 129145, 258290, 268397, 516580, 536794, 1073588, 1341985, 2683970, 5367940, 6173131, 12346262, 24692524, 30865655, 61731310, 123462620]

約数ペア:

[(1, 123462620), (2, 61731310), (4, 30865655), (5, 24692524), (10, 12346262), (20, 6173131), (23, 5367940), (46, 2683970), (92, 1341985), (115, 1073588), (230, 536794), (239, 516580), (460, 268397), (478, 258290), (956, 129145), (1123, 109940), (1195, 103316), (2246, 54970), (2390, 51658), (4492, 27485), (4780, 25829), (5497, 22460), (5615, 21988), (10994, 11230)]