78549940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{80153}}^1$

素因数の和:80176

約数の個数: 36

約数和(自身を含む): 191888676

約数和(自身を除く): 113338736

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 80153, 160306, 320612, 400765, 561071, 801530, 1122142, 1603060, 2244284, 2805355, 3927497, 5610710, 7854994, 11221420, 15709988, 19637485, 39274970, 78549940]

約数ペア:

[(1, 78549940), (2, 39274970), (4, 19637485), (5, 15709988), (7, 11221420), (10, 7854994), (14, 5610710), (20, 3927497), (28, 2805355), (35, 2244284), (49, 1603060), (70, 1122142), (98, 801530), (140, 561071), (196, 400765), (245, 320612), (490, 160306), (980, 80153)]