219038320

素因数分解:

$2^4\times 5^1\times {\mathrm{2737979}}^1$

素因数の和:2737992

約数の個数: 20

約数和(自身を含む): 509264280

約数和(自身を除く): 290225960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2737979, 5475958, 10951916, 13689895, 21903832, 27379790, 43807664, 54759580, 109519160, 219038320]

約数ペア:

[(1, 219038320), (2, 109519160), (4, 54759580), (5, 43807664), (8, 27379790), (10, 21903832), (16, 13689895), (20, 10951916), (40, 5475958), (80, 2737979)]