189617920

素因数分解:

$2^8\times 5^1\times {\mathrm{148139}}^1$

素因数の和:148160

約数の個数: 36

約数和(自身を含む): 454197240

約数和(自身を除く): 264579320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 148139, 296278, 592556, 740695, 1185112, 1481390, 2370224, 2962780, 4740448, 5925560, 9480896, 11851120, 18961792, 23702240, 37923584, 47404480, 94808960, 189617920]

約数ペア:

[(1, 189617920), (2, 94808960), (4, 47404480), (5, 37923584), (8, 23702240), (10, 18961792), (16, 11851120), (20, 9480896), (32, 5925560), (40, 4740448), (64, 2962780), (80, 2370224), (128, 1481390), (160, 1185112), (256, 740695), (320, 592556), (640, 296278), (1280, 148139)]