About the Number

1280230432

1280230431 ← → 1280230433

2進数表記:1001100010011101100010000100000

漢数字表記:十二億八千二十三万四百三十二

素因数分解:

2 5 × 13 2 × 236729 1

素因数の和:236765
約数の個数: 36
約数和(自身を含む): 2729260170
約数和(自身を除く): 1449029738

約数列:
[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5408, 236729, 473458, 946916, 1893832, 3077477, 3787664, 6154954, 7575328, 12309908, 24619816, 40007201, 49239632, 80014402, 98479264, 160028804, 320057608, 640115216, 1280230432]

約数ペア:
[(1, 1280230432), (2, 640115216), (4, 320057608), (8, 160028804), (13, 98479264), (16, 80014402), (26, 49239632), (32, 40007201), (52, 24619816), (104, 12309908), (169, 7575328), (208, 6154954), (338, 3787664), (416, 3077477), (676, 1893832), (1352, 946916), (2704, 473458), (5408, 236729)]

このpageの処理時間: 0.4767496585845947 seconds