551420380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3938717}}^1$

素因数の和:3938733

約数の個数: 24

約数和(自身を含む): 1323409248

約数和(自身を除く): 771988868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3938717, 7877434, 15754868, 19693585, 27571019, 39387170, 55142038, 78774340, 110284076, 137855095, 275710190, 551420380]

約数ペア:

[(1, 551420380), (2, 275710190), (4, 137855095), (5, 110284076), (7, 78774340), (10, 55142038), (14, 39387170), (20, 27571019), (28, 19693585), (35, 15754868), (70, 7877434), (140, 3938717)]