2783173820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19879813}}^1$

素因数の和:19879829

約数の個数: 24

約数和(自身を含む): 6679617504

約数和(自身を除く): 3896443684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19879813, 39759626, 79519252, 99399065, 139158691, 198798130, 278317382, 397596260, 556634764, 695793455, 1391586910, 2783173820]

約数ペア:

[(1, 2783173820), (2, 1391586910), (4, 695793455), (5, 556634764), (7, 397596260), (10, 278317382), (14, 198798130), (20, 139158691), (28, 99399065), (35, 79519252), (70, 39759626), (140, 19879813)]