About the Number

121420170

121420169 ← → 121420171

2進数表記:111001111001011100110001010

漢数字表記:一億二千百四十二万百七十

素因数分解:

2 1 × 3 2 × 5 1 × 73 1 × 18481 1

素因数の和:18567
約数の個数: 48
約数和(自身を含む): 320034312
約数和(自身を除く): 198614142

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 146, 219, 365, 438, 657, 730, 1095, 1314, 2190, 3285, 6570, 18481, 36962, 55443, 92405, 110886, 166329, 184810, 277215, 332658, 554430, 831645, 1349113, 1663290, 2698226, 4047339, 6745565, 8094678, 12142017, 13491130, 20236695, 24284034, 40473390, 60710085, 121420170]

約数ペア:
[(1, 121420170), (2, 60710085), (3, 40473390), (5, 24284034), (6, 20236695), (9, 13491130), (10, 12142017), (15, 8094678), (18, 6745565), (30, 4047339), (45, 2698226), (73, 1663290), (90, 1349113), (146, 831645), (219, 554430), (365, 332658), (438, 277215), (657, 184810), (730, 166329), (1095, 110886), (1314, 92405), (2190, 55443), (3285, 36962), (6570, 18481)]

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