2019751720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{1187}}^1$

素因数の和:1367

約数の個数: 128

約数和(自身を含む): 5337446400

約数和(自身を除く): 3317694680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 103, 118, 140, 206, 236, 280, 295, 412, 413, 472, 515, 590, 721, 824, 826, 1030, 1180, 1187, 1442, 1652, 2060, 2065, 2360, 2374, 2884, 3304, 3605, 4120, 4130, 4748, 5768, 5935, 6077, 7210, 8260, 8309, 9496, 11870, 12154, 14420, 16520, 16618, 23740, 24308, 28840, 30385, 33236, 41545, 42539, 47480, 48616, 60770, 66472, 70033, 83090, 85078, 121540, 122261, 140066, 166180, 170156, 212695, 243080, 244522, 280132, 332360, 340312, 350165, 425390, 489044, 490231, 560264, 611305, 700330, 850780, 855827, 978088, 980462, 1222610, 1400660, 1701560, 1711654, 1960924, 2445220, 2451155, 2801320, 3423308, 3921848, 4279135, 4890440, 4902310, 6846616, 7213399, 8558270, 9804620, 14426798, 17116540, 19609240, 28853596, 34233080, 36066995, 50493793, 57707192, 72133990, 100987586, 144267980, 201975172, 252468965, 288535960, 403950344, 504937930, 1009875860, 2019751720]

約数ペア:

[(1, 2019751720), (2, 1009875860), (4, 504937930), (5, 403950344), (7, 288535960), (8, 252468965), (10, 201975172), (14, 144267980), (20, 100987586), (28, 72133990), (35, 57707192), (40, 50493793), (56, 36066995), (59, 34233080), (70, 28853596), (103, 19609240), (118, 17116540), (140, 14426798), (206, 9804620), (236, 8558270), (280, 7213399), (295, 6846616), (412, 4902310), (413, 4890440), (472, 4279135), (515, 3921848), (590, 3423308), (721, 2801320), (824, 2451155), (826, 2445220), (1030, 1960924), (1180, 1711654), (1187, 1701560), (1442, 1400660), (1652, 1222610), (2060, 980462), (2065, 978088), (2360, 855827), (2374, 850780), (2884, 700330), (3304, 611305), (3605, 560264), (4120, 490231), (4130, 489044), (4748, 425390), (5768, 350165), (5935, 340312), (6077, 332360), (7210, 280132), (8260, 244522), (8309, 243080), (9496, 212695), (11870, 170156), (12154, 166180), (14420, 140066), (16520, 122261), (16618, 121540), (23740, 85078), (24308, 83090), (28840, 70033), (30385, 66472), (33236, 60770), (41545, 48616), (42539, 47480)]