About the Number

238422990

238422989 ← → 238422991

2進数表記:1110001101100000101111001110

漢数字表記:二億三千八百四十二万二千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 13 1 × 89 1 × 6869 1

素因数の和:6981
約数の個数: 64
約数和(自身を含む): 623246400
約数和(自身を除く): 384823410

約数列:
[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 89, 130, 178, 195, 267, 390, 445, 534, 890, 1157, 1335, 2314, 2670, 3471, 5785, 6869, 6942, 11570, 13738, 17355, 20607, 34345, 34710, 41214, 68690, 89297, 103035, 178594, 206070, 267891, 446485, 535782, 611341, 892970, 1222682, 1339455, 1834023, 2678910, 3056705, 3668046, 6113410, 7947433, 9170115, 15894866, 18340230, 23842299, 39737165, 47684598, 79474330, 119211495, 238422990]

約数ペア:
[(1, 238422990), (2, 119211495), (3, 79474330), (5, 47684598), (6, 39737165), (10, 23842299), (13, 18340230), (15, 15894866), (26, 9170115), (30, 7947433), (39, 6113410), (65, 3668046), (78, 3056705), (89, 2678910), (130, 1834023), (178, 1339455), (195, 1222682), (267, 892970), (390, 611341), (445, 535782), (534, 446485), (890, 267891), (1157, 206070), (1335, 178594), (2314, 103035), (2670, 89297), (3471, 68690), (5785, 41214), (6869, 34710), (6942, 34345), (11570, 20607), (13738, 17355)]

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