200406920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{715739}}^1$

素因数の和:715757

約数の個数: 32

約数和(自身を含む): 515332800

約数和(自身を除く): 314925880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 715739, 1431478, 2862956, 3578695, 5010173, 5725912, 7157390, 10020346, 14314780, 20040692, 25050865, 28629560, 40081384, 50101730, 100203460, 200406920]

約数ペア:

[(1, 200406920), (2, 100203460), (4, 50101730), (5, 40081384), (7, 28629560), (8, 25050865), (10, 20040692), (14, 14314780), (20, 10020346), (28, 7157390), (35, 5725912), (40, 5010173), (56, 3578695), (70, 2862956), (140, 1431478), (280, 715739)]