27784540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198461}}^1$

素因数の和:198477

約数の個数: 24

約数和(自身を含む): 66683232

約数和(自身を除く): 38898692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198461, 396922, 793844, 992305, 1389227, 1984610, 2778454, 3969220, 5556908, 6946135, 13892270, 27784540]

約数ペア:

[(1, 27784540), (2, 13892270), (4, 6946135), (5, 5556908), (7, 3969220), (10, 2778454), (14, 1984610), (20, 1389227), (28, 992305), (35, 793844), (70, 396922), (140, 198461)]