About the Number

228808920

228808919 ← → 228808921

2進数表記:1101101000110101100011011000

漢数字表記:二億二千八百八十万八千九百二十

素因数分解:

2 3 × 3 1 × 5 1 × 311 1 × 6131 1

素因数の和:6456
約数の個数: 64
約数和(自身を含む): 688746240
約数和(自身を除く): 459937320

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 311, 622, 933, 1244, 1555, 1866, 2488, 3110, 3732, 4665, 6131, 6220, 7464, 9330, 12262, 12440, 18393, 18660, 24524, 30655, 36786, 37320, 49048, 61310, 73572, 91965, 122620, 147144, 183930, 245240, 367860, 735720, 1906741, 3813482, 5720223, 7626964, 9533705, 11440446, 15253928, 19067410, 22880892, 28601115, 38134820, 45761784, 57202230, 76269640, 114404460, 228808920]

約数ペア:
[(1, 228808920), (2, 114404460), (3, 76269640), (4, 57202230), (5, 45761784), (6, 38134820), (8, 28601115), (10, 22880892), (12, 19067410), (15, 15253928), (20, 11440446), (24, 9533705), (30, 7626964), (40, 5720223), (60, 3813482), (120, 1906741), (311, 735720), (622, 367860), (933, 245240), (1244, 183930), (1555, 147144), (1866, 122620), (2488, 91965), (3110, 73572), (3732, 61310), (4665, 49048), (6131, 37320), (6220, 36786), (7464, 30655), (9330, 24524), (12262, 18660), (12440, 18393)]

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