About the Number

139897980

139897979 ← → 139897981

2進数表記:1000010101101010110001111100

漢数字表記:一億三千九百八十九万七千九百八十

素因数分解:

2 2 × 3 2 × 5 1 × 193 1 × 4027 1

素因数の和:4235
約数の個数: 72
約数和(自身を含む): 426661872
約数和(自身を除く): 286763892

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 579, 772, 965, 1158, 1737, 1930, 2316, 2895, 3474, 3860, 4027, 5790, 6948, 8054, 8685, 11580, 12081, 16108, 17370, 20135, 24162, 34740, 36243, 40270, 48324, 60405, 72486, 80540, 120810, 144972, 181215, 241620, 362430, 724860, 777211, 1554422, 2331633, 3108844, 3886055, 4663266, 6994899, 7772110, 9326532, 11658165, 13989798, 15544220, 23316330, 27979596, 34974495, 46632660, 69948990, 139897980]

約数ペア:
[(1, 139897980), (2, 69948990), (3, 46632660), (4, 34974495), (5, 27979596), (6, 23316330), (9, 15544220), (10, 13989798), (12, 11658165), (15, 9326532), (18, 7772110), (20, 6994899), (30, 4663266), (36, 3886055), (45, 3108844), (60, 2331633), (90, 1554422), (180, 777211), (193, 724860), (386, 362430), (579, 241620), (772, 181215), (965, 144972), (1158, 120810), (1737, 80540), (1930, 72486), (2316, 60405), (2895, 48324), (3474, 40270), (3860, 36243), (4027, 34740), (5790, 24162), (6948, 20135), (8054, 17370), (8685, 16108), (11580, 12081)]

このpageの処理時間: 0.012454032897949219 seconds