378211840

素因数分解:

$2^9\times 5^1\times {\mathrm{147739}}^1$

素因数の和:147762

約数の個数: 40

約数和(自身を含む): 906828120

約数和(自身を除く): 528616280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 147739, 295478, 590956, 738695, 1181912, 1477390, 2363824, 2954780, 4727648, 5909560, 9455296, 11819120, 18910592, 23638240, 37821184, 47276480, 75642368, 94552960, 189105920, 378211840]

約数ペア:

[(1, 378211840), (2, 189105920), (4, 94552960), (5, 75642368), (8, 47276480), (10, 37821184), (16, 23638240), (20, 18910592), (32, 11819120), (40, 9455296), (64, 5909560), (80, 4727648), (128, 2954780), (160, 2363824), (256, 1477390), (320, 1181912), (512, 738695), (640, 590956), (1280, 295478), (2560, 147739)]