About the Number

48691980

48691979 ← → 48691981

2進数表記:10111001101111101100001100

漢数字表記:四千八百六十九万千九百八十

素因数分解:

2 2 × 3 2 × 5 1 × 157 1 × 1723 1

素因数の和:1895
約数の個数: 72
約数和(自身を含む): 148726032
約数和(自身を除く): 100034052

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1723, 1884, 2355, 2826, 3140, 3446, 4710, 5169, 5652, 6892, 7065, 8615, 9420, 10338, 14130, 15507, 17230, 20676, 25845, 28260, 31014, 34460, 51690, 62028, 77535, 103380, 155070, 270511, 310140, 541022, 811533, 1082044, 1352555, 1623066, 2434599, 2705110, 3246132, 4057665, 4869198, 5410220, 8115330, 9738396, 12172995, 16230660, 24345990, 48691980]

約数ペア:
[(1, 48691980), (2, 24345990), (3, 16230660), (4, 12172995), (5, 9738396), (6, 8115330), (9, 5410220), (10, 4869198), (12, 4057665), (15, 3246132), (18, 2705110), (20, 2434599), (30, 1623066), (36, 1352555), (45, 1082044), (60, 811533), (90, 541022), (157, 310140), (180, 270511), (314, 155070), (471, 103380), (628, 77535), (785, 62028), (942, 51690), (1413, 34460), (1570, 31014), (1723, 28260), (1884, 25845), (2355, 20676), (2826, 17230), (3140, 15507), (3446, 14130), (4710, 10338), (5169, 9420), (5652, 8615), (6892, 7065)]

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