821877140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{35153}}^1$

素因数の和:35336

約数の個数: 48

約数和(自身を含む): 1984372992

約数和(自身を除く): 1162495852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1169, 1670, 2338, 3340, 4676, 5845, 11690, 23380, 35153, 70306, 140612, 175765, 246071, 351530, 492142, 703060, 984284, 1230355, 2460710, 4921420, 5870551, 11741102, 23482204, 29352755, 41093857, 58705510, 82187714, 117411020, 164375428, 205469285, 410938570, 821877140]

約数ペア:

[(1, 821877140), (2, 410938570), (4, 205469285), (5, 164375428), (7, 117411020), (10, 82187714), (14, 58705510), (20, 41093857), (28, 29352755), (35, 23482204), (70, 11741102), (140, 5870551), (167, 4921420), (334, 2460710), (668, 1230355), (835, 984284), (1169, 703060), (1670, 492142), (2338, 351530), (3340, 246071), (4676, 175765), (5845, 140612), (11690, 70306), (23380, 35153)]