69438140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{111997}}^1$

素因数の和:112037

約数の個数: 24

約数和(自身を含む): 150525312

約数和(自身を除く): 81087172

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 111997, 223994, 447988, 559985, 1119970, 2239940, 3471907, 6943814, 13887628, 17359535, 34719070, 69438140]

約数ペア:

[(1, 69438140), (2, 34719070), (4, 17359535), (5, 13887628), (10, 6943814), (20, 3471907), (31, 2239940), (62, 1119970), (124, 559985), (155, 447988), (310, 223994), (620, 111997)]