About the Number
31203804940
2進数表記:11101000011111001000100011100001100
漢数字表記:三百十二億三百八十万四千九百四十
素因数分解:
素因数の和:39439
約数の個数: 96
約数和(自身を含む): 81856147968
約数和(自身を除く): 50652343028
約数列:
[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 521, 770, 1042, 1540, 2084, 2605, 3647, 5210, 5731, 7294, 10420, 11462, 14588, 18235, 22924, 28655, 36470, 38891, 40117, 57310, 72940, 77782, 80234, 114620, 155564, 160468, 194455, 200585, 272237, 388910, 401170, 427801, 544474, 777820, 802340, 855602, 1088948, 1361185, 1711204, 2139005, 2722370, 2994607, 4278010, 5444740, 5989214, 8556020, 11978428, 14973035, 20262211, 29946070, 40524422, 59892140, 81048844, 101311055, 141835477, 202622110, 222884321, 283670954, 405244220, 445768642, 567341908, 709177385, 891537284, 1114421605, 1418354770, 1560190247, 2228843210, 2836709540, 3120380494, 4457686420, 6240760988, 7800951235, 15601902470, 31203804940]
約数ペア:
[(1, 31203804940), (2, 15601902470), (4, 7800951235), (5, 6240760988), (7, 4457686420), (10, 3120380494), (11, 2836709540), (14, 2228843210), (20, 1560190247), (22, 1418354770), (28, 1114421605), (35, 891537284), (44, 709177385), (55, 567341908), (70, 445768642), (77, 405244220), (110, 283670954), (140, 222884321), (154, 202622110), (220, 141835477), (308, 101311055), (385, 81048844), (521, 59892140), (770, 40524422), (1042, 29946070), (1540, 20262211), (2084, 14973035), (2605, 11978428), (3647, 8556020), (5210, 5989214), (5731, 5444740), (7294, 4278010), (10420, 2994607), (11462, 2722370), (14588, 2139005), (18235, 1711204), (22924, 1361185), (28655, 1088948), (36470, 855602), (38891, 802340), (40117, 777820), (57310, 544474), (72940, 427801), (77782, 401170), (80234, 388910), (114620, 272237), (155564, 200585), (160468, 194455)]このpageの処理時間: 0.32597970962524414 seconds