128095940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{914971}}^1$

素因数の和:914987

約数の個数: 24

約数和(自身を含む): 307430592

約数和(自身を除く): 179334652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 914971, 1829942, 3659884, 4574855, 6404797, 9149710, 12809594, 18299420, 25619188, 32023985, 64047970, 128095940]

約数ペア:

[(1, 128095940), (2, 64047970), (4, 32023985), (5, 25619188), (7, 18299420), (10, 12809594), (14, 9149710), (20, 6404797), (28, 4574855), (35, 3659884), (70, 1829942), (140, 914971)]