About the Number

201990124

201990123 ← → 201990125

2進数表記:1100000010100001111111101100

漢数字表記:二億百九十九万百二十四

素因数分解:

2 2 × 7 1 × 17 1 × 73 1 × 5813 1

素因数の和:5914
約数の個数: 48
約数和(自身を含む): 433677888
約数和(自身を除く): 231687764

約数列:
[1, 2, 4, 7, 14, 17, 28, 34, 68, 73, 119, 146, 238, 292, 476, 511, 1022, 1241, 2044, 2482, 4964, 5813, 8687, 11626, 17374, 23252, 34748, 40691, 81382, 98821, 162764, 197642, 395284, 424349, 691747, 848698, 1383494, 1697396, 2766988, 2970443, 5940886, 7213933, 11881772, 14427866, 28855732, 50497531, 100995062, 201990124]

約数ペア:
[(1, 201990124), (2, 100995062), (4, 50497531), (7, 28855732), (14, 14427866), (17, 11881772), (28, 7213933), (34, 5940886), (68, 2970443), (73, 2766988), (119, 1697396), (146, 1383494), (238, 848698), (292, 691747), (476, 424349), (511, 395284), (1022, 197642), (1241, 162764), (2044, 98821), (2482, 81382), (4964, 40691), (5813, 34748), (8687, 23252), (11626, 17374)]

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