20484343600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:700

約数の個数: 240

約数和(自身を含む): 57260224000

約数和(自身を除く): 36775880400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 97, 100, 112, 140, 175, 194, 199, 200, 280, 350, 379, 388, 398, 400, 485, 560, 679, 700, 758, 776, 796, 970, 995, 1358, 1393, 1400, 1516, 1552, 1592, 1895, 1940, 1990, 2425, 2653, 2716, 2786, 2800, 3032, 3184, 3395, 3790, 3880, 3980, 4850, 4975, 5306, 5432, 5572, 6064, 6790, 6965, 7580, 7760, 7960, 9475, 9700, 9950, 10612, 10864, 11144, 13265, 13580, 13930, 15160, 15920, 16975, 18950, 19303, 19400, 19900, 21224, 22288, 26530, 27160, 27860, 30320, 33950, 34825, 36763, 37900, 38606, 38800, 39800, 42448, 53060, 54320, 55720, 66325, 67900, 69650, 73526, 75421, 75800, 77212, 79600, 96515, 106120, 111440, 132650, 135121, 135800, 139300, 147052, 150842, 151600, 154424, 183815, 193030, 212240, 257341, 265300, 270242, 271600, 278600, 294104, 301684, 308848, 367630, 377105, 386060, 482575, 514682, 527947, 530600, 540484, 557200, 588208, 603368, 675605, 735260, 754210, 772120, 919075, 965150, 1029364, 1055894, 1061200, 1080968, 1206736, 1286705, 1351210, 1470520, 1508420, 1544240, 1838150, 1885525, 1930300, 2058728, 2111788, 2161936, 2573410, 2639735, 2702420, 2941040, 3016840, 3378025, 3676300, 3771050, 3860600, 4117456, 4223576, 5146820, 5279470, 5404840, 6033680, 6433525, 6756050, 7315837, 7352600, 7542100, 7721200, 8447152, 10293640, 10558940, 10809680, 12867050, 13198675, 13512100, 14631674, 14705200, 15084200, 20587280, 21117880, 25734100, 26397350, 27024200, 29263348, 30168400, 36579185, 42235760, 51210859, 51468200, 52794700, 54048400, 58526696, 73158370, 102421718, 102936400, 105589400, 117053392, 146316740, 182895925, 204843436, 211178800, 256054295, 292633480, 365791850, 409686872, 512108590, 585266960, 731583700, 819373744, 1024217180, 1280271475, 1463167400, 2048434360, 2560542950, 2926334800, 4096868720, 5121085900, 10242171800, 20484343600]

約数ペア:

[(1, 20484343600), (2, 10242171800), (4, 5121085900), (5, 4096868720), (7, 2926334800), (8, 2560542950), (10, 2048434360), (14, 1463167400), (16, 1280271475), (20, 1024217180), (25, 819373744), (28, 731583700), (35, 585266960), (40, 512108590), (50, 409686872), (56, 365791850), (70, 292633480), (80, 256054295), (97, 211178800), (100, 204843436), (112, 182895925), (140, 146316740), (175, 117053392), (194, 105589400), (199, 102936400), (200, 102421718), (280, 73158370), (350, 58526696), (379, 54048400), (388, 52794700), (398, 51468200), (400, 51210859), (485, 42235760), (560, 36579185), (679, 30168400), (700, 29263348), (758, 27024200), (776, 26397350), (796, 25734100), (970, 21117880), (995, 20587280), (1358, 15084200), (1393, 14705200), (1400, 14631674), (1516, 13512100), (1552, 13198675), (1592, 12867050), (1895, 10809680), (1940, 10558940), (1990, 10293640), (2425, 8447152), (2653, 7721200), (2716, 7542100), (2786, 7352600), (2800, 7315837), (3032, 6756050), (3184, 6433525), (3395, 6033680), (3790, 5404840), (3880, 5279470), (3980, 5146820), (4850, 4223576), (4975, 4117456), (5306, 3860600), (5432, 3771050), (5572, 3676300), (6064, 3378025), (6790, 3016840), (6965, 2941040), (7580, 2702420), (7760, 2639735), (7960, 2573410), (9475, 2161936), (9700, 2111788), (9950, 2058728), (10612, 1930300), (10864, 1885525), (11144, 1838150), (13265, 1544240), (13580, 1508420), (13930, 1470520), (15160, 1351210), (15920, 1286705), (16975, 1206736), (18950, 1080968), (19303, 1061200), (19400, 1055894), (19900, 1029364), (21224, 965150), (22288, 919075), (26530, 772120), (27160, 754210), (27860, 735260), (30320, 675605), (33950, 603368), (34825, 588208), (36763, 557200), (37900, 540484), (38606, 530600), (38800, 527947), (39800, 514682), (42448, 482575), (53060, 386060), (54320, 377105), (55720, 367630), (66325, 308848), (67900, 301684), (69650, 294104), (73526, 278600), (75421, 271600), (75800, 270242), (77212, 265300), (79600, 257341), (96515, 212240), (106120, 193030), (111440, 183815), (132650, 154424), (135121, 151600), (135800, 150842), (139300, 147052)]