343796720

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{17981}}^1$

素因数の和:18233

約数の個数: 40

約数和(自身を含む): 802716480

約数和(自身を除く): 458919760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 9560, 17981, 19120, 35962, 71924, 89905, 143848, 179810, 287696, 359620, 719240, 1438480, 4297459, 8594918, 17189836, 21487295, 34379672, 42974590, 68759344, 85949180, 171898360, 343796720]

約数ペア:

[(1, 343796720), (2, 171898360), (4, 85949180), (5, 68759344), (8, 42974590), (10, 34379672), (16, 21487295), (20, 17189836), (40, 8594918), (80, 4297459), (239, 1438480), (478, 719240), (956, 359620), (1195, 287696), (1912, 179810), (2390, 143848), (3824, 89905), (4780, 71924), (9560, 35962), (17981, 19120)]