54988220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{751}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 132400128

約数和(自身を除く): 77411908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 523, 751, 1046, 1502, 2092, 2615, 3004, 3661, 3755, 5230, 5257, 7322, 7510, 10460, 10514, 14644, 15020, 18305, 21028, 26285, 36610, 52570, 73220, 105140, 392773, 785546, 1571092, 1963865, 2749411, 3927730, 5498822, 7855460, 10997644, 13747055, 27494110, 54988220]

約数ペア:

[(1, 54988220), (2, 27494110), (4, 13747055), (5, 10997644), (7, 7855460), (10, 5498822), (14, 3927730), (20, 2749411), (28, 1963865), (35, 1571092), (70, 785546), (140, 392773), (523, 105140), (751, 73220), (1046, 52570), (1502, 36610), (2092, 26285), (2615, 21028), (3004, 18305), (3661, 15020), (3755, 14644), (5230, 10514), (5257, 10460), (7322, 7510)]