199319930

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{1993}}^1$

素因数の和:2210

約数の個数: 32

約数和(自身を含む): 366529104

約数和(自身を除く): 167209174

約数列:

[1, 2, 5, 10, 73, 137, 146, 274, 365, 685, 730, 1370, 1993, 3986, 9965, 10001, 19930, 20002, 50005, 100010, 145489, 273041, 290978, 546082, 727445, 1365205, 1454890, 2730410, 19931993, 39863986, 99659965, 199319930]

約数ペア:

[(1, 199319930), (2, 99659965), (5, 39863986), (10, 19931993), (73, 2730410), (137, 1454890), (146, 1365205), (274, 727445), (365, 546082), (685, 290978), (730, 273041), (1370, 145489), (1993, 100010), (3986, 50005), (9965, 20002), (10001, 19930)]