788791940

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{200201}}^1$

素因数の和:200407

約数の個数: 24

約数和(自身を含む): 1664879832

約数和(自身を除く): 876087892

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 200201, 400402, 800804, 1001005, 2002010, 4004020, 39439597, 78879194, 157758388, 197197985, 394395970, 788791940]

約数ペア:

[(1, 788791940), (2, 394395970), (4, 197197985), (5, 157758388), (10, 78879194), (20, 39439597), (197, 4004020), (394, 2002010), (788, 1001005), (985, 800804), (1970, 400402), (3940, 200201)]