About the Number

1390648545

1390648544 ← → 1390648546

2進数表記:1010010111000111001110011100001

漢数字表記:十三億九千六十四万八千五百四十五

素因数分解:

3 2 × 5 1 × 11 1 × 13 1 × 216107 1

素因数の和:216142
約数の個数: 48
約数和(自身を含む): 2831879232
約数和(自身を除く): 1441230687

約数列:
[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 195, 429, 495, 585, 715, 1287, 2145, 6435, 216107, 648321, 1080535, 1944963, 2377177, 2809391, 3241605, 7131531, 8428173, 9724815, 11885885, 14046955, 21394593, 25284519, 30903301, 35657655, 42140865, 92709903, 106972965, 126422595, 154516505, 278129709, 463549515, 1390648545]

約数ペア:
[(1, 1390648545), (3, 463549515), (5, 278129709), (9, 154516505), (11, 126422595), (13, 106972965), (15, 92709903), (33, 42140865), (39, 35657655), (45, 30903301), (55, 25284519), (65, 21394593), (99, 14046955), (117, 11885885), (143, 9724815), (165, 8428173), (195, 7131531), (429, 3241605), (495, 2809391), (585, 2377177), (715, 1944963), (1287, 1080535), (2145, 648321), (6435, 216107)]

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