81335450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{827}}^1$

素因数の和:1127

約数の個数: 48

約数和(自身を含む): 173721024

約数和(自身を除く): 92385574

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 281, 350, 562, 827, 1405, 1654, 1967, 2810, 3934, 4135, 5789, 7025, 8270, 9835, 11578, 14050, 19670, 20675, 28945, 41350, 49175, 57890, 98350, 144725, 232387, 289450, 464774, 1161935, 1626709, 2323870, 3253418, 5809675, 8133545, 11619350, 16267090, 40667725, 81335450]

約数ペア:

[(1, 81335450), (2, 40667725), (5, 16267090), (7, 11619350), (10, 8133545), (14, 5809675), (25, 3253418), (35, 2323870), (50, 1626709), (70, 1161935), (175, 464774), (281, 289450), (350, 232387), (562, 144725), (827, 98350), (1405, 57890), (1654, 49175), (1967, 41350), (2810, 28945), (3934, 20675), (4135, 19670), (5789, 14050), (7025, 11578), (8270, 9835)]