199956970

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{101501}}^1$

素因数の和:101705

約数の個数: 16

約数和(自身を含む): 361753128

約数和(自身を除く): 161796158

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 101501, 203002, 507505, 1015010, 19995697, 39991394, 99978485, 199956970]

約数ペア:

[(1, 199956970), (2, 99978485), (5, 39991394), (10, 19995697), (197, 1015010), (394, 507505), (985, 203002), (1970, 101501)]