About the Number

201210840

201210839 ← → 201210841

2進数表記:1011111111100011101111011000

漢数字表記:二億百二十一万八百四十

素因数分解:

2 3 × 3 2 × 5 1 × 139 1 × 4021 1

素因数の和:4177
約数の個数: 96
約数和(自身を含む): 658803600
約数和(自身を除く): 457592760

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 139, 180, 278, 360, 417, 556, 695, 834, 1112, 1251, 1390, 1668, 2085, 2502, 2780, 3336, 4021, 4170, 5004, 5560, 6255, 8042, 8340, 10008, 12063, 12510, 16084, 16680, 20105, 24126, 25020, 32168, 36189, 40210, 48252, 50040, 60315, 72378, 80420, 96504, 120630, 144756, 160840, 180945, 241260, 289512, 361890, 482520, 558919, 723780, 1117838, 1447560, 1676757, 2235676, 2794595, 3353514, 4471352, 5030271, 5589190, 6707028, 8383785, 10060542, 11178380, 13414056, 16767570, 20121084, 22356760, 25151355, 33535140, 40242168, 50302710, 67070280, 100605420, 201210840]

約数ペア:
[(1, 201210840), (2, 100605420), (3, 67070280), (4, 50302710), (5, 40242168), (6, 33535140), (8, 25151355), (9, 22356760), (10, 20121084), (12, 16767570), (15, 13414056), (18, 11178380), (20, 10060542), (24, 8383785), (30, 6707028), (36, 5589190), (40, 5030271), (45, 4471352), (60, 3353514), (72, 2794595), (90, 2235676), (120, 1676757), (139, 1447560), (180, 1117838), (278, 723780), (360, 558919), (417, 482520), (556, 361890), (695, 289512), (834, 241260), (1112, 180945), (1251, 160840), (1390, 144756), (1668, 120630), (2085, 96504), (2502, 80420), (2780, 72378), (3336, 60315), (4021, 50040), (4170, 48252), (5004, 40210), (5560, 36189), (6255, 32168), (8042, 25020), (8340, 24126), (10008, 20105), (12063, 16680), (12510, 16084)]

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