217045020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157279}}^1$

素因数の和:157314

約数の個数: 48

約数和(自身を含む): 634152960

約数和(自身を除く): 417107940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 157279, 314558, 471837, 629116, 786395, 943674, 1572790, 1887348, 2359185, 3145580, 3617417, 4718370, 7234834, 9436740, 10852251, 14469668, 18087085, 21704502, 36174170, 43409004, 54261255, 72348340, 108522510, 217045020]

約数ペア:

[(1, 217045020), (2, 108522510), (3, 72348340), (4, 54261255), (5, 43409004), (6, 36174170), (10, 21704502), (12, 18087085), (15, 14469668), (20, 10852251), (23, 9436740), (30, 7234834), (46, 4718370), (60, 3617417), (69, 3145580), (92, 2359185), (115, 1887348), (138, 1572790), (230, 943674), (276, 786395), (345, 629116), (460, 471837), (690, 314558), (1380, 157279)]