About the Number

118420190

118420189 ← → 118420191

2進数表記:111000011101111001011011110

漢数字表記:一億千八百四十二万百九十

素因数分解:

2 1 × 5 1 × 7 1 × 71 1 × 23827 1

素因数の和:23912
約数の個数: 32
約数和(自身を含む): 247048704
約数和(自身を除く): 128628514

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 23827, 47654, 119135, 166789, 238270, 333578, 833945, 1667890, 1691717, 3383434, 8458585, 11842019, 16917170, 23684038, 59210095, 118420190]

約数ペア:
[(1, 118420190), (2, 59210095), (5, 23684038), (7, 16917170), (10, 11842019), (14, 8458585), (35, 3383434), (70, 1691717), (71, 1667890), (142, 833945), (355, 333578), (497, 238270), (710, 166789), (994, 119135), (2485, 47654), (4970, 23827)]

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