About the Number

2120690

2120689 ← → 2120691

2進数表記:1000000101101111110010

漢数字表記:二百十二万六百九十

素因数分解:

2 1 × 5 1 × 11 1 × 13 1 × 1483 1

素因数の和:1514
約数の個数: 32
約数和(自身を含む): 4487616
約数和(自身を除く): 2366926

約数列:
[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 1483, 2966, 7415, 14830, 16313, 19279, 32626, 38558, 81565, 96395, 163130, 192790, 212069, 424138, 1060345, 2120690]

約数ペア:
[(1, 2120690), (2, 1060345), (5, 424138), (10, 212069), (11, 192790), (13, 163130), (22, 96395), (26, 81565), (55, 38558), (65, 32626), (110, 19279), (130, 16313), (143, 14830), (286, 7415), (715, 2966), (1430, 1483)]

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