204597820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1461413}}^1$

素因数の和:1461429

約数の個数: 24

約数和(自身を含む): 491035104

約数和(自身を除く): 286437284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1461413, 2922826, 5845652, 7307065, 10229891, 14614130, 20459782, 29228260, 40919564, 51149455, 102298910, 204597820]

約数ペア:

[(1, 204597820), (2, 102298910), (4, 51149455), (5, 40919564), (7, 29228260), (10, 20459782), (14, 14614130), (20, 10229891), (28, 7307065), (35, 5845652), (70, 2922826), (140, 1461413)]