7155020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{991}}^1$

素因数の和:1038

約数の個数: 36

約数和(自身を含む): 15873984

約数和(自身を除く): 8718964

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 991, 1444, 1805, 1982, 3610, 3964, 4955, 7220, 9910, 18829, 19820, 37658, 75316, 94145, 188290, 357751, 376580, 715502, 1431004, 1788755, 3577510, 7155020]

約数ペア:

[(1, 7155020), (2, 3577510), (4, 1788755), (5, 1431004), (10, 715502), (19, 376580), (20, 357751), (38, 188290), (76, 94145), (95, 75316), (190, 37658), (361, 19820), (380, 18829), (722, 9910), (991, 7220), (1444, 4955), (1805, 3964), (1982, 3610)]