About the Number

389213385

389213384 ← → 389213386

2進数表記:10111001100101110110011001001

漢数字表記:三億八千九百二十一万三千三百八十五

素因数分解:

3 1 × 5 1 × 11 1 × 17 1 × 19 1 × 67 1 × 109 1

素因数の和:231
約数の個数: 128
約数和(自身を含む): 775526400
約数和(自身を除く): 386313015

約数列:
[1, 3, 5, 11, 15, 17, 19, 33, 51, 55, 57, 67, 85, 95, 109, 165, 187, 201, 209, 255, 285, 323, 327, 335, 545, 561, 627, 737, 935, 969, 1005, 1045, 1139, 1199, 1273, 1615, 1635, 1853, 2071, 2211, 2805, 3135, 3417, 3553, 3597, 3685, 3819, 4845, 5559, 5695, 5995, 6213, 6365, 7303, 9265, 10355, 10659, 11055, 12529, 14003, 17085, 17765, 17985, 19095, 20383, 21641, 21909, 22781, 27795, 31065, 35207, 36515, 37587, 42009, 53295, 61149, 62645, 64923, 68343, 70015, 80333, 101915, 105621, 108205, 109545, 113905, 124151, 138757, 176035, 187935, 210045, 238051, 240999, 305745, 324615, 341715, 372453, 387277, 401665, 416271, 528105, 620755, 693785, 714153, 1161831, 1190255, 1204995, 1365661, 1526327, 1862265, 1936385, 2081355, 2358869, 3570765, 4096983, 4578981, 5809155, 6828305, 7076607, 7631635, 11794345, 20484915, 22894905, 25947559, 35383035, 77842677, 129737795, 389213385]

約数ペア:
[(1, 389213385), (3, 129737795), (5, 77842677), (11, 35383035), (15, 25947559), (17, 22894905), (19, 20484915), (33, 11794345), (51, 7631635), (55, 7076607), (57, 6828305), (67, 5809155), (85, 4578981), (95, 4096983), (109, 3570765), (165, 2358869), (187, 2081355), (201, 1936385), (209, 1862265), (255, 1526327), (285, 1365661), (323, 1204995), (327, 1190255), (335, 1161831), (545, 714153), (561, 693785), (627, 620755), (737, 528105), (935, 416271), (969, 401665), (1005, 387277), (1045, 372453), (1139, 341715), (1199, 324615), (1273, 305745), (1615, 240999), (1635, 238051), (1853, 210045), (2071, 187935), (2211, 176035), (2805, 138757), (3135, 124151), (3417, 113905), (3553, 109545), (3597, 108205), (3685, 105621), (3819, 101915), (4845, 80333), (5559, 70015), (5695, 68343), (5995, 64923), (6213, 62645), (6365, 61149), (7303, 53295), (9265, 42009), (10355, 37587), (10659, 36515), (11055, 35207), (12529, 31065), (14003, 27795), (17085, 22781), (17765, 21909), (17985, 21641), (19095, 20383)]

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