1279860400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5023}}^1$

素因数の和:5068

約数の個数: 180

約数和(自身を含む): 3852795072

約数和(自身を除く): 2572934672

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 80, 91, 98, 100, 104, 112, 130, 140, 175, 182, 196, 200, 208, 245, 260, 280, 325, 350, 364, 392, 400, 455, 490, 520, 560, 637, 650, 700, 728, 784, 910, 980, 1040, 1225, 1274, 1300, 1400, 1456, 1820, 1960, 2275, 2450, 2548, 2600, 2800, 3185, 3640, 3920, 4550, 4900, 5023, 5096, 5200, 6370, 7280, 9100, 9800, 10046, 10192, 12740, 15925, 18200, 19600, 20092, 25115, 25480, 31850, 35161, 36400, 40184, 50230, 50960, 63700, 65299, 70322, 80368, 100460, 125575, 127400, 130598, 140644, 175805, 200920, 246127, 251150, 254800, 261196, 281288, 326495, 351610, 401840, 457093, 492254, 502300, 522392, 562576, 652990, 703220, 879025, 914186, 984508, 1004600, 1044784, 1230635, 1305980, 1406440, 1632475, 1758050, 1828372, 1969016, 2009200, 2285465, 2461270, 2611960, 2812880, 3199651, 3264950, 3516100, 3656744, 3938032, 4570930, 4922540, 5223920, 6153175, 6399302, 6529900, 7032200, 7313488, 9141860, 9845080, 11427325, 12306350, 12798604, 13059800, 14064400, 15998255, 18283720, 19690160, 22854650, 24612700, 25597208, 26119600, 31996510, 36567440, 45709300, 49225400, 51194416, 63993020, 79991275, 91418600, 98450800, 127986040, 159982550, 182837200, 255972080, 319965100, 639930200, 1279860400]

約数ペア:

[(1, 1279860400), (2, 639930200), (4, 319965100), (5, 255972080), (7, 182837200), (8, 159982550), (10, 127986040), (13, 98450800), (14, 91418600), (16, 79991275), (20, 63993020), (25, 51194416), (26, 49225400), (28, 45709300), (35, 36567440), (40, 31996510), (49, 26119600), (50, 25597208), (52, 24612700), (56, 22854650), (65, 19690160), (70, 18283720), (80, 15998255), (91, 14064400), (98, 13059800), (100, 12798604), (104, 12306350), (112, 11427325), (130, 9845080), (140, 9141860), (175, 7313488), (182, 7032200), (196, 6529900), (200, 6399302), (208, 6153175), (245, 5223920), (260, 4922540), (280, 4570930), (325, 3938032), (350, 3656744), (364, 3516100), (392, 3264950), (400, 3199651), (455, 2812880), (490, 2611960), (520, 2461270), (560, 2285465), (637, 2009200), (650, 1969016), (700, 1828372), (728, 1758050), (784, 1632475), (910, 1406440), (980, 1305980), (1040, 1230635), (1225, 1044784), (1274, 1004600), (1300, 984508), (1400, 914186), (1456, 879025), (1820, 703220), (1960, 652990), (2275, 562576), (2450, 522392), (2548, 502300), (2600, 492254), (2800, 457093), (3185, 401840), (3640, 351610), (3920, 326495), (4550, 281288), (4900, 261196), (5023, 254800), (5096, 251150), (5200, 246127), (6370, 200920), (7280, 175805), (9100, 140644), (9800, 130598), (10046, 127400), (10192, 125575), (12740, 100460), (15925, 80368), (18200, 70322), (19600, 65299), (20092, 63700), (25115, 50960), (25480, 50230), (31850, 40184), (35161, 36400)]