177996680

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{7331}}^1$

素因数の和:7949

約数の個数: 32

約数和(自身を含む): 401207040

約数和(自身を除く): 223210360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 3035, 4856, 6070, 7331, 12140, 14662, 24280, 29324, 36655, 58648, 73310, 146620, 293240, 4449917, 8899834, 17799668, 22249585, 35599336, 44499170, 88998340, 177996680]

約数ペア:

[(1, 177996680), (2, 88998340), (4, 44499170), (5, 35599336), (8, 22249585), (10, 17799668), (20, 8899834), (40, 4449917), (607, 293240), (1214, 146620), (2428, 73310), (3035, 58648), (4856, 36655), (6070, 29324), (7331, 24280), (12140, 14662)]