16789780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2789}}^1$

素因数の和:2848

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 24457580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 2789, 3010, 5578, 6020, 11156, 13945, 19523, 27890, 39046, 55780, 78092, 97615, 119927, 195230, 239854, 390460, 479708, 599635, 839489, 1199270, 1678978, 2398540, 3357956, 4197445, 8394890, 16789780]

約数ペア:

[(1, 16789780), (2, 8394890), (4, 4197445), (5, 3357956), (7, 2398540), (10, 1678978), (14, 1199270), (20, 839489), (28, 599635), (35, 479708), (43, 390460), (70, 239854), (86, 195230), (140, 119927), (172, 97615), (215, 78092), (301, 55780), (430, 39046), (602, 27890), (860, 19523), (1204, 13945), (1505, 11156), (2789, 6020), (3010, 5578)]