About the Number

472746420

472746419 ← → 472746421

2進数表記:11100001011011000100110110100

漢数字表記:四億七千二百七十四万六千四百二十

素因数分解:

2 2 × 3 2 × 5 1 × 83 1 × 31643 1

素因数の和:31741
約数の個数: 72
約数和(自身を含む): 1451320416
約数和(自身を除く): 978573996

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 7470, 14940, 31643, 63286, 94929, 126572, 158215, 189858, 284787, 316430, 379716, 474645, 569574, 632860, 949290, 1139148, 1423935, 1898580, 2626369, 2847870, 5252738, 5695740, 7879107, 10505476, 13131845, 15758214, 23637321, 26263690, 31516428, 39395535, 47274642, 52527380, 78791070, 94549284, 118186605, 157582140, 236373210, 472746420]

約数ペア:
[(1, 472746420), (2, 236373210), (3, 157582140), (4, 118186605), (5, 94549284), (6, 78791070), (9, 52527380), (10, 47274642), (12, 39395535), (15, 31516428), (18, 26263690), (20, 23637321), (30, 15758214), (36, 13131845), (45, 10505476), (60, 7879107), (83, 5695740), (90, 5252738), (166, 2847870), (180, 2626369), (249, 1898580), (332, 1423935), (415, 1139148), (498, 949290), (747, 632860), (830, 569574), (996, 474645), (1245, 379716), (1494, 316430), (1660, 284787), (2490, 189858), (2988, 158215), (3735, 126572), (4980, 94929), (7470, 63286), (14940, 31643)]

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