About the Number

388390432

388390431 ← → 388390433

2進数表記:10111001001100101111000100000

漢数字表記:三億八千八百三十九万四百三十二

素因数分解:

2 5 × 17 1 × 313 1 × 2281 1

素因数の和:2621
約数の個数: 48
約数和(自身を含む): 812565432
約数和(自身を除く): 424175000

約数列:
[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 313, 544, 626, 1252, 2281, 2504, 4562, 5008, 5321, 9124, 10016, 10642, 18248, 21284, 36496, 38777, 42568, 72992, 77554, 85136, 155108, 170272, 310216, 620432, 713953, 1240864, 1427906, 2855812, 5711624, 11423248, 12137201, 22846496, 24274402, 48548804, 97097608, 194195216, 388390432]

約数ペア:
[(1, 388390432), (2, 194195216), (4, 97097608), (8, 48548804), (16, 24274402), (17, 22846496), (32, 12137201), (34, 11423248), (68, 5711624), (136, 2855812), (272, 1427906), (313, 1240864), (544, 713953), (626, 620432), (1252, 310216), (2281, 170272), (2504, 155108), (4562, 85136), (5008, 77554), (5321, 72992), (9124, 42568), (10016, 38777), (10642, 36496), (18248, 21284)]

このpageの処理時間: 0.0076596736907958984 seconds