About the Number

55439380

55439379 ← → 55439381

2進数表記:11010011011111000000010100

漢数字表記:五千五百四十三万九千三百八十

素因数分解:

2 2 × 5 1 × 17 1 × 41 2 × 97 1

素因数の和:205
約数の個数: 72
約数和(自身を含む): 127653624
約数和(自身を除く): 72214244

約数列:
[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 97, 164, 170, 194, 205, 340, 388, 410, 485, 697, 820, 970, 1394, 1649, 1681, 1940, 2788, 3298, 3362, 3485, 3977, 6596, 6724, 6970, 7954, 8245, 8405, 13940, 15908, 16490, 16810, 19885, 28577, 32980, 33620, 39770, 57154, 67609, 79540, 114308, 135218, 142885, 163057, 270436, 285770, 326114, 338045, 571540, 652228, 676090, 815285, 1352180, 1630570, 2771969, 3261140, 5543938, 11087876, 13859845, 27719690, 55439380]

約数ペア:
[(1, 55439380), (2, 27719690), (4, 13859845), (5, 11087876), (10, 5543938), (17, 3261140), (20, 2771969), (34, 1630570), (41, 1352180), (68, 815285), (82, 676090), (85, 652228), (97, 571540), (164, 338045), (170, 326114), (194, 285770), (205, 270436), (340, 163057), (388, 142885), (410, 135218), (485, 114308), (697, 79540), (820, 67609), (970, 57154), (1394, 39770), (1649, 33620), (1681, 32980), (1940, 28577), (2788, 19885), (3298, 16810), (3362, 16490), (3485, 15908), (3977, 13940), (6596, 8405), (6724, 8245), (6970, 7954)]

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