About the Number

126429920

126429919 ← → 126429921

2進数表記:111100010010010101011100000

漢数字表記:一億二千六百四十二万九千九百二十

素因数分解:

2 5 × 5 1 × 59 2 × 227 1

素因数の和:360
約数の個数: 72
約数和(自身を含む): 305177544
約数和(自身を除く): 178747624

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 227, 236, 295, 454, 472, 590, 908, 944, 1135, 1180, 1816, 1888, 2270, 2360, 3481, 3632, 4540, 4720, 6962, 7264, 9080, 9440, 13393, 13924, 17405, 18160, 26786, 27848, 34810, 36320, 53572, 55696, 66965, 69620, 107144, 111392, 133930, 139240, 214288, 267860, 278480, 428576, 535720, 556960, 790187, 1071440, 1580374, 2142880, 3160748, 3950935, 6321496, 7901870, 12642992, 15803740, 25285984, 31607480, 63214960, 126429920]

約数ペア:
[(1, 126429920), (2, 63214960), (4, 31607480), (5, 25285984), (8, 15803740), (10, 12642992), (16, 7901870), (20, 6321496), (32, 3950935), (40, 3160748), (59, 2142880), (80, 1580374), (118, 1071440), (160, 790187), (227, 556960), (236, 535720), (295, 428576), (454, 278480), (472, 267860), (590, 214288), (908, 139240), (944, 133930), (1135, 111392), (1180, 107144), (1816, 69620), (1888, 66965), (2270, 55696), (2360, 53572), (3481, 36320), (3632, 34810), (4540, 27848), (4720, 26786), (6962, 18160), (7264, 17405), (9080, 13924), (9440, 13393)]

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