27721540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 74317824

約数和(自身を除く): 46596284

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 47, 55, 70, 77, 94, 110, 140, 154, 188, 220, 235, 308, 329, 383, 385, 470, 517, 658, 766, 770, 940, 1034, 1316, 1532, 1540, 1645, 1915, 2068, 2585, 2681, 3290, 3619, 3830, 4213, 5170, 5362, 6580, 7238, 7660, 8426, 10340, 10724, 13405, 14476, 16852, 18001, 18095, 21065, 26810, 29491, 36002, 36190, 42130, 53620, 58982, 72004, 72380, 84260, 90005, 117964, 126007, 147455, 180010, 198011, 252014, 294910, 360020, 396022, 504028, 589820, 630035, 792044, 990055, 1260070, 1386077, 1980110, 2520140, 2772154, 3960220, 5544308, 6930385, 13860770, 27721540]

約数ペア:

[(1, 27721540), (2, 13860770), (4, 6930385), (5, 5544308), (7, 3960220), (10, 2772154), (11, 2520140), (14, 1980110), (20, 1386077), (22, 1260070), (28, 990055), (35, 792044), (44, 630035), (47, 589820), (55, 504028), (70, 396022), (77, 360020), (94, 294910), (110, 252014), (140, 198011), (154, 180010), (188, 147455), (220, 126007), (235, 117964), (308, 90005), (329, 84260), (383, 72380), (385, 72004), (470, 58982), (517, 53620), (658, 42130), (766, 36190), (770, 36002), (940, 29491), (1034, 26810), (1316, 21065), (1532, 18095), (1540, 18001), (1645, 16852), (1915, 14476), (2068, 13405), (2585, 10724), (2681, 10340), (3290, 8426), (3619, 7660), (3830, 7238), (4213, 6580), (5170, 5362)]