389618920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{572969}}^1$

素因数の和:572997

約数の個数: 32

約数和(自身を含む): 928211400

約数和(自身を除く): 538592480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 572969, 1145938, 2291876, 2864845, 4583752, 5729690, 9740473, 11459380, 19480946, 22918760, 38961892, 48702365, 77923784, 97404730, 194809460, 389618920]

約数ペア:

[(1, 389618920), (2, 194809460), (4, 97404730), (5, 77923784), (8, 48702365), (10, 38961892), (17, 22918760), (20, 19480946), (34, 11459380), (40, 9740473), (68, 5729690), (85, 4583752), (136, 2864845), (170, 2291876), (340, 1145938), (680, 572969)]