About the Number

1209697020

1209697019 ← → 1209697021

2進数表記:1001000000110101000001011111100

漢数字表記:十二億九百六十九万七千二十

素因数分解:

2 2 × 3 2 × 5 1 × 7 1 × 960077 1

素因数の和:960099
約数の個数: 72
約数和(自身を含む): 4193620704
約数和(自身を除く): 2983923684

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 960077, 1920154, 2880231, 3840308, 4800385, 5760462, 6720539, 8640693, 9600770, 11520924, 13441078, 14401155, 17281386, 19201540, 20161617, 26882156, 28802310, 33602695, 34562772, 40323234, 43203465, 57604620, 60484851, 67205390, 80646468, 86406930, 100808085, 120969702, 134410780, 172813860, 201616170, 241939404, 302424255, 403232340, 604848510, 1209697020]

約数ペア:
[(1, 1209697020), (2, 604848510), (3, 403232340), (4, 302424255), (5, 241939404), (6, 201616170), (7, 172813860), (9, 134410780), (10, 120969702), (12, 100808085), (14, 86406930), (15, 80646468), (18, 67205390), (20, 60484851), (21, 57604620), (28, 43203465), (30, 40323234), (35, 34562772), (36, 33602695), (42, 28802310), (45, 26882156), (60, 20161617), (63, 19201540), (70, 17281386), (84, 14401155), (90, 13441078), (105, 11520924), (126, 9600770), (140, 8640693), (180, 6720539), (210, 5760462), (252, 4800385), (315, 3840308), (420, 2880231), (630, 1920154), (1260, 960077)]

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