2915780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 7136640

約数和(自身を除く): 4220860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 353, 413, 590, 706, 826, 1180, 1412, 1652, 1765, 2065, 2471, 3530, 4130, 4942, 7060, 8260, 9884, 12355, 20827, 24710, 41654, 49420, 83308, 104135, 145789, 208270, 291578, 416540, 583156, 728945, 1457890, 2915780]

約数ペア:

[(1, 2915780), (2, 1457890), (4, 728945), (5, 583156), (7, 416540), (10, 291578), (14, 208270), (20, 145789), (28, 104135), (35, 83308), (59, 49420), (70, 41654), (118, 24710), (140, 20827), (236, 12355), (295, 9884), (353, 8260), (413, 7060), (590, 4942), (706, 4130), (826, 3530), (1180, 2471), (1412, 2065), (1652, 1765)]