201678970

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{90439}}^1$

素因数の和:90669

約数の個数: 16

約数和(自身を含む): 364654080

約数和(自身を除く): 162975110

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 90439, 180878, 452195, 904390, 20167897, 40335794, 100839485, 201678970]

約数ペア:

[(1, 201678970), (2, 100839485), (5, 40335794), (10, 20167897), (223, 904390), (446, 452195), (1115, 180878), (2230, 90439)]