198212800

素因数分解:

$2^6\times 5^2\times {\mathrm{43}}^2\times {\mathrm{67}}^1$

素因数の和:175

約数の個数: 126

約数和(自身を含む): 506786388

約数和(自身を除く): 308573588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 67, 80, 86, 100, 134, 160, 172, 200, 215, 268, 320, 335, 344, 400, 430, 536, 670, 688, 800, 860, 1072, 1075, 1340, 1376, 1600, 1675, 1720, 1849, 2144, 2150, 2680, 2752, 2881, 3350, 3440, 3698, 4288, 4300, 5360, 5762, 6700, 6880, 7396, 8600, 9245, 10720, 11524, 13400, 13760, 14405, 14792, 17200, 18490, 21440, 23048, 26800, 28810, 29584, 34400, 36980, 46096, 46225, 53600, 57620, 59168, 68800, 72025, 73960, 92192, 92450, 107200, 115240, 118336, 123883, 144050, 147920, 184384, 184900, 230480, 247766, 288100, 295840, 369800, 460960, 495532, 576200, 591680, 619415, 739600, 921920, 991064, 1152400, 1238830, 1479200, 1982128, 2304800, 2477660, 2958400, 3097075, 3964256, 4609600, 4955320, 6194150, 7928512, 9910640, 12388300, 19821280, 24776600, 39642560, 49553200, 99106400, 198212800]

約数ペア:

[(1, 198212800), (2, 99106400), (4, 49553200), (5, 39642560), (8, 24776600), (10, 19821280), (16, 12388300), (20, 9910640), (25, 7928512), (32, 6194150), (40, 4955320), (43, 4609600), (50, 3964256), (64, 3097075), (67, 2958400), (80, 2477660), (86, 2304800), (100, 1982128), (134, 1479200), (160, 1238830), (172, 1152400), (200, 991064), (215, 921920), (268, 739600), (320, 619415), (335, 591680), (344, 576200), (400, 495532), (430, 460960), (536, 369800), (670, 295840), (688, 288100), (800, 247766), (860, 230480), (1072, 184900), (1075, 184384), (1340, 147920), (1376, 144050), (1600, 123883), (1675, 118336), (1720, 115240), (1849, 107200), (2144, 92450), (2150, 92192), (2680, 73960), (2752, 72025), (2881, 68800), (3350, 59168), (3440, 57620), (3698, 53600), (4288, 46225), (4300, 46096), (5360, 36980), (5762, 34400), (6700, 29584), (6880, 28810), (7396, 26800), (8600, 23048), (9245, 21440), (10720, 18490), (11524, 17200), (13400, 14792), (13760, 14405)]