7871780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{953}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 19232640

約数和(自身を除く): 11360860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 953, 1180, 1652, 1906, 2065, 3812, 4130, 4765, 6671, 8260, 9530, 13342, 19060, 26684, 33355, 56227, 66710, 112454, 133420, 224908, 281135, 393589, 562270, 787178, 1124540, 1574356, 1967945, 3935890, 7871780]

約数ペア:

[(1, 7871780), (2, 3935890), (4, 1967945), (5, 1574356), (7, 1124540), (10, 787178), (14, 562270), (20, 393589), (28, 281135), (35, 224908), (59, 133420), (70, 112454), (118, 66710), (140, 56227), (236, 33355), (295, 26684), (413, 19060), (590, 13342), (826, 9530), (953, 8260), (1180, 6671), (1652, 4765), (1906, 4130), (2065, 3812)]