1214320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:409

約数の個数: 40

約数和(自身を含む): 2897136

約数和(自身を除く): 1682816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 353, 430, 688, 706, 860, 1412, 1720, 1765, 2824, 3440, 3530, 5648, 7060, 14120, 15179, 28240, 30358, 60716, 75895, 121432, 151790, 242864, 303580, 607160, 1214320]

約数ペア:

[(1, 1214320), (2, 607160), (4, 303580), (5, 242864), (8, 151790), (10, 121432), (16, 75895), (20, 60716), (40, 30358), (43, 28240), (80, 15179), (86, 14120), (172, 7060), (215, 5648), (344, 3530), (353, 3440), (430, 2824), (688, 1765), (706, 1720), (860, 1412)]