2177420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 5311488

約数和(自身を除く): 3134068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 151, 206, 302, 412, 515, 604, 721, 755, 1030, 1057, 1442, 1510, 2060, 2114, 2884, 3020, 3605, 4228, 5285, 7210, 10570, 14420, 15553, 21140, 31106, 62212, 77765, 108871, 155530, 217742, 311060, 435484, 544355, 1088710, 2177420]

約数ペア:

[(1, 2177420), (2, 1088710), (4, 544355), (5, 435484), (7, 311060), (10, 217742), (14, 155530), (20, 108871), (28, 77765), (35, 62212), (70, 31106), (103, 21140), (140, 15553), (151, 14420), (206, 10570), (302, 7210), (412, 5285), (515, 4228), (604, 3605), (721, 3020), (755, 2884), (1030, 2114), (1057, 2060), (1442, 1510)]