208812800

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 216

約数和(自身を含む): 608294400

約数和(自身を除く): 399481600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 59, 64, 70, 79, 80, 100, 112, 118, 128, 140, 158, 160, 175, 200, 224, 236, 256, 280, 295, 316, 320, 350, 395, 400, 413, 448, 472, 553, 560, 590, 632, 640, 700, 790, 800, 826, 896, 944, 1106, 1120, 1180, 1264, 1280, 1400, 1475, 1580, 1600, 1652, 1792, 1888, 1975, 2065, 2212, 2240, 2360, 2528, 2765, 2800, 2950, 3160, 3200, 3304, 3776, 3950, 4130, 4424, 4480, 4661, 4720, 5056, 5530, 5600, 5900, 6320, 6400, 6608, 7552, 7900, 8260, 8848, 8960, 9322, 9440, 10112, 10325, 11060, 11200, 11800, 12640, 13216, 13825, 15104, 15800, 16520, 17696, 18644, 18880, 20224, 20650, 22120, 22400, 23305, 23600, 25280, 26432, 27650, 31600, 32627, 33040, 35392, 37288, 37760, 41300, 44240, 44800, 46610, 47200, 50560, 52864, 55300, 63200, 65254, 66080, 70784, 74576, 75520, 82600, 88480, 93220, 94400, 101120, 105728, 110600, 116525, 126400, 130508, 132160, 141568, 149152, 163135, 165200, 176960, 186440, 188800, 221200, 233050, 252800, 261016, 264320, 298304, 326270, 330400, 353920, 372880, 377600, 442400, 466100, 505600, 522032, 528640, 596608, 652540, 660800, 707840, 745760, 815675, 884800, 932200, 1044064, 1193216, 1305080, 1321600, 1491520, 1631350, 1769600, 1864400, 2088128, 2610160, 2643200, 2983040, 3262700, 3539200, 3728800, 4176256, 5220320, 5966080, 6525400, 7457600, 8352512, 10440640, 13050800, 14915200, 20881280, 26101600, 29830400, 41762560, 52203200, 104406400, 208812800]

約数ペア:

[(1, 208812800), (2, 104406400), (4, 52203200), (5, 41762560), (7, 29830400), (8, 26101600), (10, 20881280), (14, 14915200), (16, 13050800), (20, 10440640), (25, 8352512), (28, 7457600), (32, 6525400), (35, 5966080), (40, 5220320), (50, 4176256), (56, 3728800), (59, 3539200), (64, 3262700), (70, 2983040), (79, 2643200), (80, 2610160), (100, 2088128), (112, 1864400), (118, 1769600), (128, 1631350), (140, 1491520), (158, 1321600), (160, 1305080), (175, 1193216), (200, 1044064), (224, 932200), (236, 884800), (256, 815675), (280, 745760), (295, 707840), (316, 660800), (320, 652540), (350, 596608), (395, 528640), (400, 522032), (413, 505600), (448, 466100), (472, 442400), (553, 377600), (560, 372880), (590, 353920), (632, 330400), (640, 326270), (700, 298304), (790, 264320), (800, 261016), (826, 252800), (896, 233050), (944, 221200), (1106, 188800), (1120, 186440), (1180, 176960), (1264, 165200), (1280, 163135), (1400, 149152), (1475, 141568), (1580, 132160), (1600, 130508), (1652, 126400), (1792, 116525), (1888, 110600), (1975, 105728), (2065, 101120), (2212, 94400), (2240, 93220), (2360, 88480), (2528, 82600), (2765, 75520), (2800, 74576), (2950, 70784), (3160, 66080), (3200, 65254), (3304, 63200), (3776, 55300), (3950, 52864), (4130, 50560), (4424, 47200), (4480, 46610), (4661, 44800), (4720, 44240), (5056, 41300), (5530, 37760), (5600, 37288), (5900, 35392), (6320, 33040), (6400, 32627), (6608, 31600), (7552, 27650), (7900, 26432), (8260, 25280), (8848, 23600), (8960, 23305), (9322, 22400), (9440, 22120), (10112, 20650), (10325, 20224), (11060, 18880), (11200, 18644), (11800, 17696), (12640, 16520), (13216, 15800), (13825, 15104)]