77958020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79549}}^1$

素因数の和:79572

約数の個数: 36

約数和(自身を含む): 190442700

約数和(自身を除く): 112484680

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 79549, 159098, 318196, 397745, 556843, 795490, 1113686, 1590980, 2227372, 2784215, 3897901, 5568430, 7795802, 11136860, 15591604, 19489505, 38979010, 77958020]

約数ペア:

[(1, 77958020), (2, 38979010), (4, 19489505), (5, 15591604), (7, 11136860), (10, 7795802), (14, 5568430), (20, 3897901), (28, 2784215), (35, 2227372), (49, 1590980), (70, 1113686), (98, 795490), (140, 556843), (196, 397745), (245, 318196), (490, 159098), (980, 79549)]