70000004990

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7247}}^1\times {\mathrm{10853}}^1$

素因数の和:18196

約数の個数: 32

約数和(自身を含む): 127445063040

約数和(自身を除く): 57445058050

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 7247, 10853, 14494, 21706, 36235, 54265, 72470, 108530, 644983, 965917, 1289966, 1931834, 3224915, 4829585, 6449830, 9659170, 78651691, 157303382, 393258455, 786516910, 7000000499, 14000000998, 35000002495, 70000004990]

約数ペア:

[(1, 70000004990), (2, 35000002495), (5, 14000000998), (10, 7000000499), (89, 786516910), (178, 393258455), (445, 157303382), (890, 78651691), (7247, 9659170), (10853, 6449830), (14494, 4829585), (21706, 3224915), (36235, 1931834), (54265, 1289966), (72470, 965917), (108530, 644983)]