1256398725

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1747}}^1$

素因数の和:2026

約数の個数: 48

約数和(自身を含む): 2136307712

約数和(自身を除く): 879908987

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 223, 645, 669, 1075, 1115, 1747, 3225, 3345, 5241, 5575, 8735, 9589, 16725, 26205, 28767, 43675, 47945, 75121, 131025, 143835, 225363, 239725, 375605, 389581, 719175, 1126815, 1168743, 1878025, 1947905, 5634075, 5843715, 9739525, 16751983, 29218575, 50255949, 83759915, 251279745, 418799575, 1256398725]

約数ペア:

[(1, 1256398725), (3, 418799575), (5, 251279745), (15, 83759915), (25, 50255949), (43, 29218575), (75, 16751983), (129, 9739525), (215, 5843715), (223, 5634075), (645, 1947905), (669, 1878025), (1075, 1168743), (1115, 1126815), (1747, 719175), (3225, 389581), (3345, 375605), (5241, 239725), (5575, 225363), (8735, 143835), (9589, 131025), (16725, 75121), (26205, 47945), (28767, 43675)]