About the Number

209420992

209420991 ← → 209420993

2進数表記:1100011110111000001011000000

漢数字表記:二億九百四十二万九百九十二

素因数分解:

2 6 × 11 2 × 27043 1

素因数の和:27077
約数の個数: 42
約数和(自身を含む): 456800204
約数和(自身を除く): 247379212

約数列:
[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 176, 242, 352, 484, 704, 968, 1936, 3872, 7744, 27043, 54086, 108172, 216344, 297473, 432688, 594946, 865376, 1189892, 1730752, 2379784, 3272203, 4759568, 6544406, 9519136, 13088812, 19038272, 26177624, 52355248, 104710496, 209420992]

約数ペア:
[(1, 209420992), (2, 104710496), (4, 52355248), (8, 26177624), (11, 19038272), (16, 13088812), (22, 9519136), (32, 6544406), (44, 4759568), (64, 3272203), (88, 2379784), (121, 1730752), (176, 1189892), (242, 865376), (352, 594946), (484, 432688), (704, 297473), (968, 216344), (1936, 108172), (3872, 54086), (7744, 27043)]

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