202359220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{206489}}^1$

素因数の和:206512

約数の個数: 36

約数和(自身を含む): 494337060

約数和(自身を除く): 291977840

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 206489, 412978, 825956, 1032445, 1445423, 2064890, 2890846, 4129780, 5781692, 7227115, 10117961, 14454230, 20235922, 28908460, 40471844, 50589805, 101179610, 202359220]

約数ペア:

[(1, 202359220), (2, 101179610), (4, 50589805), (5, 40471844), (7, 28908460), (10, 20235922), (14, 14454230), (20, 10117961), (28, 7227115), (35, 5781692), (49, 4129780), (70, 2890846), (98, 2064890), (140, 1445423), (196, 1032445), (245, 825956), (490, 412978), (980, 206489)]