78568280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1013}}^1$

素因数の和:1308

約数の個数: 64

約数和(自身を含む): 202962240

約数和(自身を除く): 124393960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 277, 280, 554, 1013, 1108, 1385, 1939, 2026, 2216, 2770, 3878, 4052, 5065, 5540, 7091, 7756, 8104, 9695, 10130, 11080, 14182, 15512, 19390, 20260, 28364, 35455, 38780, 40520, 56728, 70910, 77560, 141820, 280601, 283640, 561202, 1122404, 1403005, 1964207, 2244808, 2806010, 3928414, 5612020, 7856828, 9821035, 11224040, 15713656, 19642070, 39284140, 78568280]

約数ペア:

[(1, 78568280), (2, 39284140), (4, 19642070), (5, 15713656), (7, 11224040), (8, 9821035), (10, 7856828), (14, 5612020), (20, 3928414), (28, 2806010), (35, 2244808), (40, 1964207), (56, 1403005), (70, 1122404), (140, 561202), (277, 283640), (280, 280601), (554, 141820), (1013, 77560), (1108, 70910), (1385, 56728), (1939, 40520), (2026, 38780), (2216, 35455), (2770, 28364), (3878, 20260), (4052, 19390), (5065, 15512), (5540, 14182), (7091, 11080), (7756, 10130), (8104, 9695)]