131117840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{234139}}^1$

素因数の和:234159

約数の個数: 40

約数和(自身を含む): 348400320

約数和(自身を除く): 217282480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 234139, 468278, 936556, 1170695, 1638973, 1873112, 2341390, 3277946, 3746224, 4682780, 6555892, 8194865, 9365560, 13111784, 16389730, 18731120, 26223568, 32779460, 65558920, 131117840]

約数ペア:

[(1, 131117840), (2, 65558920), (4, 32779460), (5, 26223568), (7, 18731120), (8, 16389730), (10, 13111784), (14, 9365560), (16, 8194865), (20, 6555892), (28, 4682780), (35, 3746224), (40, 3277946), (56, 2341390), (70, 1873112), (80, 1638973), (112, 1170695), (140, 936556), (280, 468278), (560, 234139)]