About the Number

31123090

31123089 ← → 31123091

2進数表記:1110110101110011010010010

漢数字表記:三千百十二万三千九十

素因数分解:

2 1 × 5 1 × 17 1 × 29 1 × 59 1 × 107 1

素因数の和:219
約数の個数: 64
約数和(自身を含む): 62985600
約数和(自身を除く): 31862510

約数列:
[1, 2, 5, 10, 17, 29, 34, 58, 59, 85, 107, 118, 145, 170, 214, 290, 295, 493, 535, 590, 986, 1003, 1070, 1711, 1819, 2006, 2465, 3103, 3422, 3638, 4930, 5015, 6206, 6313, 8555, 9095, 10030, 12626, 15515, 17110, 18190, 29087, 31030, 31565, 52751, 58174, 63130, 105502, 107321, 145435, 183077, 214642, 263755, 290870, 366154, 527510, 536605, 915385, 1073210, 1830770, 3112309, 6224618, 15561545, 31123090]

約数ペア:
[(1, 31123090), (2, 15561545), (5, 6224618), (10, 3112309), (17, 1830770), (29, 1073210), (34, 915385), (58, 536605), (59, 527510), (85, 366154), (107, 290870), (118, 263755), (145, 214642), (170, 183077), (214, 145435), (290, 107321), (295, 105502), (493, 63130), (535, 58174), (590, 52751), (986, 31565), (1003, 31030), (1070, 29087), (1711, 18190), (1819, 17110), (2006, 15515), (2465, 12626), (3103, 10030), (3422, 9095), (3638, 8555), (4930, 6313), (5015, 6206)]

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