About the Number

221428130

221428129 ← → 221428131

2進数表記:1101001100101011100110100010

漢数字表記:二億二千百四十二万八千百三十

素因数分解:

2 1 × 5 1 × 7 1 × 11 1 × 23 1 × 12503 1

素因数の和:12551
約数の個数: 64
約数和(自身を含む): 518565888
約数和(自身を除く): 297137758

約数列:
[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 55, 70, 77, 110, 115, 154, 161, 230, 253, 322, 385, 506, 770, 805, 1265, 1610, 1771, 2530, 3542, 8855, 12503, 17710, 25006, 62515, 87521, 125030, 137533, 175042, 275066, 287569, 437605, 575138, 687665, 875210, 962731, 1375330, 1437845, 1925462, 2012983, 2875690, 3163259, 4025966, 4813655, 6326518, 9627310, 10064915, 15816295, 20129830, 22142813, 31632590, 44285626, 110714065, 221428130]

約数ペア:
[(1, 221428130), (2, 110714065), (5, 44285626), (7, 31632590), (10, 22142813), (11, 20129830), (14, 15816295), (22, 10064915), (23, 9627310), (35, 6326518), (46, 4813655), (55, 4025966), (70, 3163259), (77, 2875690), (110, 2012983), (115, 1925462), (154, 1437845), (161, 1375330), (230, 962731), (253, 875210), (322, 687665), (385, 575138), (506, 437605), (770, 287569), (805, 275066), (1265, 175042), (1610, 137533), (1771, 125030), (2530, 87521), (3542, 62515), (8855, 25006), (12503, 17710)]

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