2019941720

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{471949}}^1$

素因数の和:472067

約数の個数: 32

約数和(自身を含む): 4587354000

約数和(自身を除く): 2567412280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 471949, 943898, 1887796, 2359745, 3775592, 4719490, 9438980, 18877960, 50498543, 100997086, 201994172, 252492715, 403988344, 504985430, 1009970860, 2019941720]

約数ペア:

[(1, 2019941720), (2, 1009970860), (4, 504985430), (5, 403988344), (8, 252492715), (10, 201994172), (20, 100997086), (40, 50498543), (107, 18877960), (214, 9438980), (428, 4719490), (535, 3775592), (856, 2359745), (1070, 1887796), (2140, 943898), (4280, 471949)]