1680681100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1181}}^1$

素因数の和:1328

約数の個数: 144

約数和(自身を含む): 4432216320

約数和(自身を除く): 2751535220

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 107, 133, 140, 175, 190, 214, 266, 350, 380, 428, 475, 532, 535, 665, 700, 749, 950, 1070, 1181, 1330, 1498, 1900, 2033, 2140, 2362, 2660, 2675, 2996, 3325, 3745, 4066, 4724, 5350, 5905, 6650, 7490, 8132, 8267, 10165, 10700, 11810, 13300, 14231, 14980, 16534, 18725, 20330, 22439, 23620, 28462, 29525, 33068, 37450, 40660, 41335, 44878, 50825, 56924, 59050, 71155, 74900, 82670, 89756, 101650, 112195, 118100, 126367, 142310, 157073, 165340, 203300, 206675, 224390, 252734, 284620, 314146, 355775, 413350, 448780, 505468, 560975, 628292, 631835, 711550, 785365, 826700, 884569, 1121950, 1263670, 1423100, 1570730, 1769138, 2243900, 2400973, 2527340, 3141460, 3159175, 3538276, 3926825, 4422845, 4801946, 6318350, 7853650, 8845690, 9603892, 12004865, 12636700, 15707300, 16806811, 17691380, 22114225, 24009730, 33613622, 44228450, 48019460, 60024325, 67227244, 84034055, 88456900, 120048650, 168068110, 240097300, 336136220, 420170275, 840340550, 1680681100]

約数ペア:

[(1, 1680681100), (2, 840340550), (4, 420170275), (5, 336136220), (7, 240097300), (10, 168068110), (14, 120048650), (19, 88456900), (20, 84034055), (25, 67227244), (28, 60024325), (35, 48019460), (38, 44228450), (50, 33613622), (70, 24009730), (76, 22114225), (95, 17691380), (100, 16806811), (107, 15707300), (133, 12636700), (140, 12004865), (175, 9603892), (190, 8845690), (214, 7853650), (266, 6318350), (350, 4801946), (380, 4422845), (428, 3926825), (475, 3538276), (532, 3159175), (535, 3141460), (665, 2527340), (700, 2400973), (749, 2243900), (950, 1769138), (1070, 1570730), (1181, 1423100), (1330, 1263670), (1498, 1121950), (1900, 884569), (2033, 826700), (2140, 785365), (2362, 711550), (2660, 631835), (2675, 628292), (2996, 560975), (3325, 505468), (3745, 448780), (4066, 413350), (4724, 355775), (5350, 314146), (5905, 284620), (6650, 252734), (7490, 224390), (8132, 206675), (8267, 203300), (10165, 165340), (10700, 157073), (11810, 142310), (13300, 126367), (14231, 118100), (14980, 112195), (16534, 101650), (18725, 89756), (20330, 82670), (22439, 74900), (23620, 71155), (28462, 59050), (29525, 56924), (33068, 50825), (37450, 44878), (40660, 41335)]