About the Number

201709980

201709979 ← → 201709981

2進数表記:1100000001011101100110011100

漢数字表記:二億百七十万九千九百八十

素因数分解:

2 2 × 3 3 × 5 1 × 107 1 × 3491 1

素因数の和:3616
約数の個数: 96
約数和(自身を含む): 633588480
約数和(自身を除く): 431878500

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 107, 108, 135, 180, 214, 270, 321, 428, 535, 540, 642, 963, 1070, 1284, 1605, 1926, 2140, 2889, 3210, 3491, 3852, 4815, 5778, 6420, 6982, 9630, 10473, 11556, 13964, 14445, 17455, 19260, 20946, 28890, 31419, 34910, 41892, 52365, 57780, 62838, 69820, 94257, 104730, 125676, 157095, 188514, 209460, 314190, 373537, 377028, 471285, 628380, 747074, 942570, 1120611, 1494148, 1867685, 1885140, 2241222, 3361833, 3735370, 4482444, 5603055, 6723666, 7470740, 10085499, 11206110, 13447332, 16809165, 20170998, 22412220, 33618330, 40341996, 50427495, 67236660, 100854990, 201709980]

約数ペア:
[(1, 201709980), (2, 100854990), (3, 67236660), (4, 50427495), (5, 40341996), (6, 33618330), (9, 22412220), (10, 20170998), (12, 16809165), (15, 13447332), (18, 11206110), (20, 10085499), (27, 7470740), (30, 6723666), (36, 5603055), (45, 4482444), (54, 3735370), (60, 3361833), (90, 2241222), (107, 1885140), (108, 1867685), (135, 1494148), (180, 1120611), (214, 942570), (270, 747074), (321, 628380), (428, 471285), (535, 377028), (540, 373537), (642, 314190), (963, 209460), (1070, 188514), (1284, 157095), (1605, 125676), (1926, 104730), (2140, 94257), (2889, 69820), (3210, 62838), (3491, 57780), (3852, 52365), (4815, 41892), (5778, 34910), (6420, 31419), (6982, 28890), (9630, 20946), (10473, 19260), (11556, 17455), (13964, 14445)]

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