197405440

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8117}}^1$

素因数の和:8157

約数の個数: 72

約数和(自身を含む): 497795760

約数和(自身を除く): 300390320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 8117, 12160, 16234, 24320, 32468, 40585, 64936, 81170, 129872, 154223, 162340, 259744, 308446, 324680, 519488, 616892, 649360, 771115, 1038976, 1233784, 1298720, 1542230, 2077952, 2467568, 2597440, 3084460, 4935136, 5194880, 6168920, 9870272, 10389760, 12337840, 19740544, 24675680, 39481088, 49351360, 98702720, 197405440]

約数ペア:

[(1, 197405440), (2, 98702720), (4, 49351360), (5, 39481088), (8, 24675680), (10, 19740544), (16, 12337840), (19, 10389760), (20, 9870272), (32, 6168920), (38, 5194880), (40, 4935136), (64, 3084460), (76, 2597440), (80, 2467568), (95, 2077952), (128, 1542230), (152, 1298720), (160, 1233784), (190, 1038976), (256, 771115), (304, 649360), (320, 616892), (380, 519488), (608, 324680), (640, 308446), (760, 259744), (1216, 162340), (1280, 154223), (1520, 129872), (2432, 81170), (3040, 64936), (4864, 40585), (6080, 32468), (8117, 24320), (12160, 16234)]