311930920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1114039}}^1$

素因数の和:1114057

約数の個数: 32

約数和(自身を含む): 802108800

約数和(自身を除く): 490177880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1114039, 2228078, 4456156, 5570195, 7798273, 8912312, 11140390, 15596546, 22280780, 31193092, 38991365, 44561560, 62386184, 77982730, 155965460, 311930920]

約数ペア:

[(1, 311930920), (2, 155965460), (4, 77982730), (5, 62386184), (7, 44561560), (8, 38991365), (10, 31193092), (14, 22280780), (20, 15596546), (28, 11140390), (35, 8912312), (40, 7798273), (56, 5570195), (70, 4456156), (140, 2228078), (280, 1114039)]