About the Number
138987900
2進数表記:1000010010001100100101111100
漢数字表記:一億三千八百九十八万七千九百
素因数分解:
素因数の和:17185
約数の個数: 90
約数和(自身を含む): 450570120
約数和(自身を除く): 311582220
約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 17159, 34318, 51477, 68636, 85795, 102954, 154431, 171590, 205908, 257385, 308862, 343180, 428975, 463293, 514770, 617724, 772155, 857950, 926586, 1029540, 1286925, 1389879, 1544310, 1715900, 1853172, 2316465, 2573850, 2779758, 3088620, 3860775, 4632930, 5147700, 5559516, 6949395, 7721550, 9265860, 11582325, 13898790, 15443100, 23164650, 27797580, 34746975, 46329300, 69493950, 138987900]
約数ペア:
[(1, 138987900), (2, 69493950), (3, 46329300), (4, 34746975), (5, 27797580), (6, 23164650), (9, 15443100), (10, 13898790), (12, 11582325), (15, 9265860), (18, 7721550), (20, 6949395), (25, 5559516), (27, 5147700), (30, 4632930), (36, 3860775), (45, 3088620), (50, 2779758), (54, 2573850), (60, 2316465), (75, 1853172), (81, 1715900), (90, 1544310), (100, 1389879), (108, 1286925), (135, 1029540), (150, 926586), (162, 857950), (180, 772155), (225, 617724), (270, 514770), (300, 463293), (324, 428975), (405, 343180), (450, 308862), (540, 257385), (675, 205908), (810, 171590), (900, 154431), (1350, 102954), (1620, 85795), (2025, 68636), (2700, 51477), (4050, 34318), (8100, 17159)]このpageの処理時間: 0.007697105407714844 seconds