About the Number

128466730

128466729 ← → 128466731

2進数表記:111101010000011111100101010

漢数字表記:一億二千八百四十六万六千七百三十

素因数分解:

2 1 × 5 1 × 7 2 × 23 1 × 11399 1

素因数の和:11443
約数の個数: 48
約数和(自身を含む): 280713600
約数和(自身を除く): 152246870

約数列:
[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1610, 2254, 5635, 11270, 11399, 22798, 56995, 79793, 113990, 159586, 262177, 398965, 524354, 558551, 797930, 1117102, 1310885, 1835239, 2621770, 2792755, 3670478, 5585510, 9176195, 12846673, 18352390, 25693346, 64233365, 128466730]

約数ペア:
[(1, 128466730), (2, 64233365), (5, 25693346), (7, 18352390), (10, 12846673), (14, 9176195), (23, 5585510), (35, 3670478), (46, 2792755), (49, 2621770), (70, 1835239), (98, 1310885), (115, 1117102), (161, 797930), (230, 558551), (245, 524354), (322, 398965), (490, 262177), (805, 159586), (1127, 113990), (1610, 79793), (2254, 56995), (5635, 22798), (11270, 11399)]

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