About the Number

122187990

122187989 ← → 122187991

2進数表記:111010010000111000011010110

漢数字表記:一億二千二百十八万七千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 97 1 × 199 1 × 211 1

素因数の和:517
約数の個数: 64
約数和(自身を含む): 299174400
約数和(自身を除く): 176986410

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 97, 194, 199, 211, 291, 398, 422, 485, 582, 597, 633, 970, 995, 1055, 1194, 1266, 1455, 1990, 2110, 2910, 2985, 3165, 5970, 6330, 19303, 20467, 38606, 40934, 41989, 57909, 61401, 83978, 96515, 102335, 115818, 122802, 125967, 193030, 204670, 209945, 251934, 289545, 307005, 419890, 579090, 614010, 629835, 1259670, 4072933, 8145866, 12218799, 20364665, 24437598, 40729330, 61093995, 122187990]

約数ペア:
[(1, 122187990), (2, 61093995), (3, 40729330), (5, 24437598), (6, 20364665), (10, 12218799), (15, 8145866), (30, 4072933), (97, 1259670), (194, 629835), (199, 614010), (211, 579090), (291, 419890), (398, 307005), (422, 289545), (485, 251934), (582, 209945), (597, 204670), (633, 193030), (970, 125967), (995, 122802), (1055, 115818), (1194, 102335), (1266, 96515), (1455, 83978), (1990, 61401), (2110, 57909), (2910, 41989), (2985, 40934), (3165, 38606), (5970, 20467), (6330, 19303)]

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