188906840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89107}}^1$

素因数の和:89171

約数の個数: 32

約数和(自身を含む): 433064880

約数和(自身を除く): 244158040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 89107, 178214, 356428, 445535, 712856, 891070, 1782140, 3564280, 4722671, 9445342, 18890684, 23613355, 37781368, 47226710, 94453420, 188906840]

約数ペア:

[(1, 188906840), (2, 94453420), (4, 47226710), (5, 37781368), (8, 23613355), (10, 18890684), (20, 9445342), (40, 4722671), (53, 3564280), (106, 1782140), (212, 891070), (265, 712856), (424, 445535), (530, 356428), (1060, 178214), (2120, 89107)]