28885990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{353}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 61018272

約数和(自身を除く): 32132282

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 167, 245, 334, 353, 490, 706, 835, 1169, 1670, 1765, 2338, 2471, 3530, 4942, 5845, 8183, 11690, 12355, 16366, 17297, 24710, 34594, 40915, 58951, 81830, 86485, 117902, 172970, 294755, 412657, 589510, 825314, 2063285, 2888599, 4126570, 5777198, 14442995, 28885990]

約数ペア:

[(1, 28885990), (2, 14442995), (5, 5777198), (7, 4126570), (10, 2888599), (14, 2063285), (35, 825314), (49, 589510), (70, 412657), (98, 294755), (167, 172970), (245, 117902), (334, 86485), (353, 81830), (490, 58951), (706, 40915), (835, 34594), (1169, 24710), (1670, 17297), (1765, 16366), (2338, 12355), (2471, 11690), (3530, 8183), (4942, 5845)]