3997840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1$

素因数の和:101

約数の個数: 120

約数和(自身を含む): 11874240

約数和(自身を除く): 7876400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 59, 70, 77, 80, 88, 110, 112, 118, 121, 140, 154, 176, 220, 236, 242, 280, 295, 308, 385, 413, 440, 472, 484, 560, 590, 605, 616, 649, 770, 826, 847, 880, 944, 968, 1180, 1210, 1232, 1298, 1540, 1652, 1694, 1936, 2065, 2360, 2420, 2596, 3080, 3245, 3304, 3388, 4130, 4235, 4543, 4720, 4840, 5192, 6160, 6490, 6608, 6776, 7139, 8260, 8470, 9086, 9680, 10384, 12980, 13552, 14278, 16520, 16940, 18172, 22715, 25960, 28556, 33040, 33880, 35695, 36344, 45430, 49973, 51920, 57112, 67760, 71390, 72688, 90860, 99946, 114224, 142780, 181720, 199892, 249865, 285560, 363440, 399784, 499730, 571120, 799568, 999460, 1998920, 3997840]

約数ペア:

[(1, 3997840), (2, 1998920), (4, 999460), (5, 799568), (7, 571120), (8, 499730), (10, 399784), (11, 363440), (14, 285560), (16, 249865), (20, 199892), (22, 181720), (28, 142780), (35, 114224), (40, 99946), (44, 90860), (55, 72688), (56, 71390), (59, 67760), (70, 57112), (77, 51920), (80, 49973), (88, 45430), (110, 36344), (112, 35695), (118, 33880), (121, 33040), (140, 28556), (154, 25960), (176, 22715), (220, 18172), (236, 16940), (242, 16520), (280, 14278), (295, 13552), (308, 12980), (385, 10384), (413, 9680), (440, 9086), (472, 8470), (484, 8260), (560, 7139), (590, 6776), (605, 6608), (616, 6490), (649, 6160), (770, 5192), (826, 4840), (847, 4720), (880, 4543), (944, 4235), (968, 4130), (1180, 3388), (1210, 3304), (1232, 3245), (1298, 3080), (1540, 2596), (1652, 2420), (1694, 2360), (1936, 2065)]