About the Number

201401280

201401279 ← → 201401281

2進数表記:1100000000010010001111000000

漢数字表記:二億百四十万千二百八十

素因数分解:

2 6 × 3 2 × 5 1 × 69931 1

素因数の和:69954
約数の個数: 84
約数和(自身を含む): 692746392
約数和(自身を除く): 491345112

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 69931, 139862, 209793, 279724, 349655, 419586, 559448, 629379, 699310, 839172, 1048965, 1118896, 1258758, 1398620, 1678344, 2097930, 2237792, 2517516, 2797240, 3146895, 3356688, 4195860, 4475584, 5035032, 5594480, 6293790, 6713376, 8391720, 10070064, 11188960, 12587580, 13426752, 16783440, 20140128, 22377920, 25175160, 33566880, 40280256, 50350320, 67133760, 100700640, 201401280]

約数ペア:
[(1, 201401280), (2, 100700640), (3, 67133760), (4, 50350320), (5, 40280256), (6, 33566880), (8, 25175160), (9, 22377920), (10, 20140128), (12, 16783440), (15, 13426752), (16, 12587580), (18, 11188960), (20, 10070064), (24, 8391720), (30, 6713376), (32, 6293790), (36, 5594480), (40, 5035032), (45, 4475584), (48, 4195860), (60, 3356688), (64, 3146895), (72, 2797240), (80, 2517516), (90, 2237792), (96, 2097930), (120, 1678344), (144, 1398620), (160, 1258758), (180, 1118896), (192, 1048965), (240, 839172), (288, 699310), (320, 629379), (360, 559448), (480, 419586), (576, 349655), (720, 279724), (960, 209793), (1440, 139862), (2880, 69931)]

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