28177940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{28753}}^1$

素因数の和:28776

約数の個数: 36

約数和(自身を含む): 68837076

約数和(自身を除く): 40659136

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 28753, 57506, 115012, 143765, 201271, 287530, 402542, 575060, 805084, 1006355, 1408897, 2012710, 2817794, 4025420, 5635588, 7044485, 14088970, 28177940]

約数ペア:

[(1, 28177940), (2, 14088970), (4, 7044485), (5, 5635588), (7, 4025420), (10, 2817794), (14, 2012710), (20, 1408897), (28, 1006355), (35, 805084), (49, 575060), (70, 402542), (98, 287530), (140, 201271), (196, 143765), (245, 115012), (490, 57506), (980, 28753)]