About the Number

121945890

121945889 ← → 121945891

2進数表記:111010001001011111100100010

漢数字表記:一億二千百九十四万五千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 11 1 × 41 1 × 9013 1

素因数の和:9075
約数の個数: 64
約数和(自身を含む): 327100032
約数和(自身を除く): 205154142

約数列:
[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 41, 55, 66, 82, 110, 123, 165, 205, 246, 330, 410, 451, 615, 902, 1230, 1353, 2255, 2706, 4510, 6765, 9013, 13530, 18026, 27039, 45065, 54078, 90130, 99143, 135195, 198286, 270390, 297429, 369533, 495715, 594858, 739066, 991430, 1108599, 1487145, 1847665, 2217198, 2974290, 3695330, 4064863, 5542995, 8129726, 11085990, 12194589, 20324315, 24389178, 40648630, 60972945, 121945890]

約数ペア:
[(1, 121945890), (2, 60972945), (3, 40648630), (5, 24389178), (6, 20324315), (10, 12194589), (11, 11085990), (15, 8129726), (22, 5542995), (30, 4064863), (33, 3695330), (41, 2974290), (55, 2217198), (66, 1847665), (82, 1487145), (110, 1108599), (123, 991430), (165, 739066), (205, 594858), (246, 495715), (330, 369533), (410, 297429), (451, 270390), (615, 198286), (902, 135195), (1230, 99143), (1353, 90130), (2255, 54078), (2706, 45065), (4510, 27039), (6765, 18026), (9013, 13530)]

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