89809940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{17749}}^1$

素因数の和:17792

約数の個数: 48

約数和(自身を含む): 214704000

約数和(自身を除く): 124894060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 17749, 35498, 70996, 88745, 177490, 195239, 354980, 390478, 408227, 780956, 816454, 976195, 1632908, 1952390, 2041135, 3904780, 4082270, 4490497, 8164540, 8980994, 17961988, 22452485, 44904970, 89809940]

約数ペア:

[(1, 89809940), (2, 44904970), (4, 22452485), (5, 17961988), (10, 8980994), (11, 8164540), (20, 4490497), (22, 4082270), (23, 3904780), (44, 2041135), (46, 1952390), (55, 1632908), (92, 976195), (110, 816454), (115, 780956), (220, 408227), (230, 390478), (253, 354980), (460, 195239), (506, 177490), (1012, 88745), (1265, 70996), (2530, 35498), (5060, 17749)]