219575440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{392099}}^1$

素因数の和:392119

約数の個数: 40

約数和(自身を含む): 583444800

約数和(自身を除く): 363869360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 392099, 784198, 1568396, 1960495, 2744693, 3136792, 3920990, 5489386, 6273584, 7841980, 10978772, 13723465, 15683960, 21957544, 27446930, 31367920, 43915088, 54893860, 109787720, 219575440]

約数ペア:

[(1, 219575440), (2, 109787720), (4, 54893860), (5, 43915088), (7, 31367920), (8, 27446930), (10, 21957544), (14, 15683960), (16, 13723465), (20, 10978772), (28, 7841980), (35, 6273584), (40, 5489386), (56, 3920990), (70, 3136792), (80, 2744693), (112, 1960495), (140, 1568396), (280, 784198), (560, 392099)]