305834240

素因数分解:

$2^8\times 5^1\times {\mathrm{337}}^1\times {\mathrm{709}}^1$

素因数の和:1067

約数の個数: 72

約数和(自身を含む): 735778680

約数和(自身を除く): 429944440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 337, 640, 674, 709, 1280, 1348, 1418, 1685, 2696, 2836, 3370, 3545, 5392, 5672, 6740, 7090, 10784, 11344, 13480, 14180, 21568, 22688, 26960, 28360, 43136, 45376, 53920, 56720, 86272, 90752, 107840, 113440, 181504, 215680, 226880, 238933, 431360, 453760, 477866, 907520, 955732, 1194665, 1911464, 2389330, 3822928, 4778660, 7645856, 9557320, 15291712, 19114640, 30583424, 38229280, 61166848, 76458560, 152917120, 305834240]

約数ペア:

[(1, 305834240), (2, 152917120), (4, 76458560), (5, 61166848), (8, 38229280), (10, 30583424), (16, 19114640), (20, 15291712), (32, 9557320), (40, 7645856), (64, 4778660), (80, 3822928), (128, 2389330), (160, 1911464), (256, 1194665), (320, 955732), (337, 907520), (640, 477866), (674, 453760), (709, 431360), (1280, 238933), (1348, 226880), (1418, 215680), (1685, 181504), (2696, 113440), (2836, 107840), (3370, 90752), (3545, 86272), (5392, 56720), (5672, 53920), (6740, 45376), (7090, 43136), (10784, 28360), (11344, 26960), (13480, 22688), (14180, 21568)]