19941600

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{1187}}^1$

素因数の和:1217

約数の個数: 144

約数和(自身を含む): 74245248

約数和(自身を除く): 54303648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1187, 1200, 1400, 1680, 2100, 2374, 2400, 2800, 3360, 3561, 4200, 4748, 5600, 5935, 7122, 8309, 8400, 9496, 11870, 14244, 16618, 16800, 17805, 18992, 23740, 24927, 28488, 29675, 33236, 35610, 37984, 41545, 47480, 49854, 56976, 59350, 66472, 71220, 83090, 89025, 94960, 99708, 113952, 118700, 124635, 132944, 142440, 166180, 178050, 189920, 199416, 207725, 237400, 249270, 265888, 284880, 332360, 356100, 398832, 415450, 474800, 498540, 569760, 623175, 664720, 712200, 797664, 830900, 949600, 997080, 1246350, 1329440, 1424400, 1661800, 1994160, 2492700, 2848800, 3323600, 3988320, 4985400, 6647200, 9970800, 19941600]

約数ペア:

[(1, 19941600), (2, 9970800), (3, 6647200), (4, 4985400), (5, 3988320), (6, 3323600), (7, 2848800), (8, 2492700), (10, 1994160), (12, 1661800), (14, 1424400), (15, 1329440), (16, 1246350), (20, 997080), (21, 949600), (24, 830900), (25, 797664), (28, 712200), (30, 664720), (32, 623175), (35, 569760), (40, 498540), (42, 474800), (48, 415450), (50, 398832), (56, 356100), (60, 332360), (70, 284880), (75, 265888), (80, 249270), (84, 237400), (96, 207725), (100, 199416), (105, 189920), (112, 178050), (120, 166180), (140, 142440), (150, 132944), (160, 124635), (168, 118700), (175, 113952), (200, 99708), (210, 94960), (224, 89025), (240, 83090), (280, 71220), (300, 66472), (336, 59350), (350, 56976), (400, 49854), (420, 47480), (480, 41545), (525, 37984), (560, 35610), (600, 33236), (672, 29675), (700, 28488), (800, 24927), (840, 23740), (1050, 18992), (1120, 17805), (1187, 16800), (1200, 16618), (1400, 14244), (1680, 11870), (2100, 9496), (2374, 8400), (2400, 8309), (2800, 7122), (3360, 5935), (3561, 5600), (4200, 4748)]