438721370

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1\times {\mathrm{1951}}^1$

素因数の和:2270

約数の個数: 32

約数和(自身を含む): 801100800

約数和(自身を除く): 362379430

約数列:

[1, 2, 5, 10, 113, 199, 226, 398, 565, 995, 1130, 1951, 1990, 3902, 9755, 19510, 22487, 44974, 112435, 220463, 224870, 388249, 440926, 776498, 1102315, 1941245, 2204630, 3882490, 43872137, 87744274, 219360685, 438721370]

約数ペア:

[(1, 438721370), (2, 219360685), (5, 87744274), (10, 43872137), (113, 3882490), (199, 2204630), (226, 1941245), (398, 1102315), (565, 776498), (995, 440926), (1130, 388249), (1951, 224870), (1990, 220463), (3902, 112435), (9755, 44974), (19510, 22487)]