2549204800

素因数分解:

$2^6\times 5^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:489

約数の個数: 168

約数和(自身を含む): 6485656320

約数和(自身を除く): 3936451520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 64, 80, 94, 100, 109, 160, 188, 200, 218, 235, 311, 320, 376, 400, 436, 470, 545, 622, 752, 800, 872, 940, 1090, 1175, 1244, 1504, 1555, 1600, 1744, 1880, 2180, 2350, 2488, 2725, 3008, 3110, 3488, 3760, 4360, 4700, 4976, 5123, 5450, 6220, 6976, 7520, 7775, 8720, 9400, 9952, 10246, 10900, 12440, 14617, 15040, 15550, 17440, 18800, 19904, 20492, 21800, 24880, 25615, 29234, 31100, 33899, 34880, 37600, 40984, 43600, 49760, 51230, 58468, 62200, 67798, 73085, 75200, 81968, 87200, 99520, 102460, 116936, 124400, 128075, 135596, 146170, 163936, 169495, 174400, 204920, 233872, 248800, 256150, 271192, 292340, 327872, 338990, 365425, 409840, 467744, 497600, 512300, 542384, 584680, 677980, 730850, 819680, 847475, 935488, 1024600, 1084768, 1169360, 1355960, 1461700, 1593253, 1639360, 1694950, 2049200, 2169536, 2338720, 2711920, 2923400, 3186506, 3389900, 4098400, 4677440, 5423840, 5846800, 6373012, 6779800, 7966265, 8196800, 10847680, 11693600, 12746024, 13559600, 15932530, 23387200, 25492048, 27119200, 31865060, 39831325, 50984096, 54238400, 63730120, 79662650, 101968192, 127460240, 159325300, 254920480, 318650600, 509840960, 637301200, 1274602400, 2549204800]

約数ペア:

[(1, 2549204800), (2, 1274602400), (4, 637301200), (5, 509840960), (8, 318650600), (10, 254920480), (16, 159325300), (20, 127460240), (25, 101968192), (32, 79662650), (40, 63730120), (47, 54238400), (50, 50984096), (64, 39831325), (80, 31865060), (94, 27119200), (100, 25492048), (109, 23387200), (160, 15932530), (188, 13559600), (200, 12746024), (218, 11693600), (235, 10847680), (311, 8196800), (320, 7966265), (376, 6779800), (400, 6373012), (436, 5846800), (470, 5423840), (545, 4677440), (622, 4098400), (752, 3389900), (800, 3186506), (872, 2923400), (940, 2711920), (1090, 2338720), (1175, 2169536), (1244, 2049200), (1504, 1694950), (1555, 1639360), (1600, 1593253), (1744, 1461700), (1880, 1355960), (2180, 1169360), (2350, 1084768), (2488, 1024600), (2725, 935488), (3008, 847475), (3110, 819680), (3488, 730850), (3760, 677980), (4360, 584680), (4700, 542384), (4976, 512300), (5123, 497600), (5450, 467744), (6220, 409840), (6976, 365425), (7520, 338990), (7775, 327872), (8720, 292340), (9400, 271192), (9952, 256150), (10246, 248800), (10900, 233872), (12440, 204920), (14617, 174400), (15040, 169495), (15550, 163936), (17440, 146170), (18800, 135596), (19904, 128075), (20492, 124400), (21800, 116936), (24880, 102460), (25615, 99520), (29234, 87200), (31100, 81968), (33899, 75200), (34880, 73085), (37600, 67798), (40984, 62200), (43600, 58468), (49760, 51230)]