About the Number

128312400

128312399 ← → 128312401

2進数表記:111101001011110010001010000

漢数字表記:一億二千八百三十一万二千四百

素因数分解:

2 4 × 3 1 × 5 2 × 23 1 × 4649 1

素因数の和:4693
約数の個数: 120
約数和(自身を含む): 428990400
約数和(自身を除く): 300678000

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 40, 46, 48, 50, 60, 69, 75, 80, 92, 100, 115, 120, 138, 150, 184, 200, 230, 240, 276, 300, 345, 368, 400, 460, 552, 575, 600, 690, 920, 1104, 1150, 1200, 1380, 1725, 1840, 2300, 2760, 3450, 4600, 4649, 5520, 6900, 9200, 9298, 13800, 13947, 18596, 23245, 27600, 27894, 37192, 46490, 55788, 69735, 74384, 92980, 106927, 111576, 116225, 139470, 185960, 213854, 223152, 232450, 278940, 320781, 348675, 371920, 427708, 464900, 534635, 557880, 641562, 697350, 855416, 929800, 1069270, 1115760, 1283124, 1394700, 1603905, 1710832, 1859600, 2138540, 2566248, 2673175, 2789400, 3207810, 4277080, 5132496, 5346350, 5578800, 6415620, 8019525, 8554160, 10692700, 12831240, 16039050, 21385400, 25662480, 32078100, 42770800, 64156200, 128312400]

約数ペア:
[(1, 128312400), (2, 64156200), (3, 42770800), (4, 32078100), (5, 25662480), (6, 21385400), (8, 16039050), (10, 12831240), (12, 10692700), (15, 8554160), (16, 8019525), (20, 6415620), (23, 5578800), (24, 5346350), (25, 5132496), (30, 4277080), (40, 3207810), (46, 2789400), (48, 2673175), (50, 2566248), (60, 2138540), (69, 1859600), (75, 1710832), (80, 1603905), (92, 1394700), (100, 1283124), (115, 1115760), (120, 1069270), (138, 929800), (150, 855416), (184, 697350), (200, 641562), (230, 557880), (240, 534635), (276, 464900), (300, 427708), (345, 371920), (368, 348675), (400, 320781), (460, 278940), (552, 232450), (575, 223152), (600, 213854), (690, 185960), (920, 139470), (1104, 116225), (1150, 111576), (1200, 106927), (1380, 92980), (1725, 74384), (1840, 69735), (2300, 55788), (2760, 46490), (3450, 37192), (4600, 27894), (4649, 27600), (5520, 23245), (6900, 18596), (9200, 13947), (9298, 13800)]

このpageの処理時間: 0.006427764892578125 seconds