About the Number

201440980

201440979 ← → 201440981

2進数表記:1100000000011011111011010100

漢数字表記:二億百四十四万九百八十

素因数分解:

2 2 × 5 1 × 13 1 × 774773 1

素因数の和:774795
約数の個数: 24
約数和(自身を含む): 455567112
約数和(自身を除く): 254126132

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 774773, 1549546, 3099092, 3873865, 7747730, 10072049, 15495460, 20144098, 40288196, 50360245, 100720490, 201440980]

約数ペア:
[(1, 201440980), (2, 100720490), (4, 50360245), (5, 40288196), (10, 20144098), (13, 15495460), (20, 10072049), (26, 7747730), (52, 3873865), (65, 3099092), (130, 1549546), (260, 774773)]

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