387742720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{75731}}^1$

素因数の和:75756

約数の個数: 44

約数和(自身を含む): 930140424

約数和(自身を除く): 542397704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 75731, 151462, 302924, 378655, 605848, 757310, 1211696, 1514620, 2423392, 3029240, 4846784, 6058480, 9693568, 12116960, 19387136, 24233920, 38774272, 48467840, 77548544, 96935680, 193871360, 387742720]

約数ペア:

[(1, 387742720), (2, 193871360), (4, 96935680), (5, 77548544), (8, 48467840), (10, 38774272), (16, 24233920), (20, 19387136), (32, 12116960), (40, 9693568), (64, 6058480), (80, 4846784), (128, 3029240), (160, 2423392), (256, 1514620), (320, 1211696), (512, 757310), (640, 605848), (1024, 378655), (1280, 302924), (2560, 151462), (5120, 75731)]