About the Number

209131080

209131079 ← → 209131081

2進数表記:1100011101110001011001001000

漢数字表記:二億九百十三万千八十

素因数分解:

2 3 × 3 1 × 5 1 × 613 1 × 2843 1

素因数の和:3470
約数の個数: 64
約数和(自身を含む): 628637760
約数和(自身を除く): 419506680

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 613, 1226, 1839, 2452, 2843, 3065, 3678, 4904, 5686, 6130, 7356, 8529, 9195, 11372, 12260, 14215, 14712, 17058, 18390, 22744, 24520, 28430, 34116, 36780, 42645, 56860, 68232, 73560, 85290, 113720, 170580, 341160, 1742759, 3485518, 5228277, 6971036, 8713795, 10456554, 13942072, 17427590, 20913108, 26141385, 34855180, 41826216, 52282770, 69710360, 104565540, 209131080]

約数ペア:
[(1, 209131080), (2, 104565540), (3, 69710360), (4, 52282770), (5, 41826216), (6, 34855180), (8, 26141385), (10, 20913108), (12, 17427590), (15, 13942072), (20, 10456554), (24, 8713795), (30, 6971036), (40, 5228277), (60, 3485518), (120, 1742759), (613, 341160), (1226, 170580), (1839, 113720), (2452, 85290), (2843, 73560), (3065, 68232), (3678, 56860), (4904, 42645), (5686, 36780), (6130, 34116), (7356, 28430), (8529, 24520), (9195, 22744), (11372, 18390), (12260, 17058), (14215, 14712)]

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