About the Number

123790128

123790127 ← → 123790129

2進数表記:111011000001110001100110000

漢数字表記:一億二千三百七十九万百二十八

素因数分解:

2 4 × 3 1 × 7 1 × 11 1 × 33493 1

素因数の和:33522
約数の個数: 80
約数和(自身を含む): 398712576
約数和(自身を除く): 274922448

約数列:
[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 132, 154, 168, 176, 231, 264, 308, 336, 462, 528, 616, 924, 1232, 1848, 3696, 33493, 66986, 100479, 133972, 200958, 234451, 267944, 368423, 401916, 468902, 535888, 703353, 736846, 803832, 937804, 1105269, 1406706, 1473692, 1607664, 1875608, 2210538, 2578961, 2813412, 2947384, 3751216, 4421076, 5157922, 5626824, 5894768, 7736883, 8842152, 10315844, 11253648, 15473766, 17684304, 20631688, 30947532, 41263376, 61895064, 123790128]

約数ペア:
[(1, 123790128), (2, 61895064), (3, 41263376), (4, 30947532), (6, 20631688), (7, 17684304), (8, 15473766), (11, 11253648), (12, 10315844), (14, 8842152), (16, 7736883), (21, 5894768), (22, 5626824), (24, 5157922), (28, 4421076), (33, 3751216), (42, 2947384), (44, 2813412), (48, 2578961), (56, 2210538), (66, 1875608), (77, 1607664), (84, 1473692), (88, 1406706), (112, 1105269), (132, 937804), (154, 803832), (168, 736846), (176, 703353), (231, 535888), (264, 468902), (308, 401916), (336, 368423), (462, 267944), (528, 234451), (616, 200958), (924, 133972), (1232, 100479), (1848, 66986), (3696, 33493)]

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