About the Number

74681920

74681919 ← → 74681921

2進数表記:100011100111000111001000000

漢数字表記:七千四百六十八万千九百二十

素因数分解:

2 6 × 5 1 × 23 1 × 73 1 × 139 1

素因数の和:252
約数の個数: 112
約数和(自身を含む): 189463680
約数和(自身を除く): 114781760

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 73, 80, 92, 115, 139, 146, 160, 184, 230, 278, 292, 320, 365, 368, 460, 556, 584, 695, 730, 736, 920, 1112, 1168, 1390, 1460, 1472, 1679, 1840, 2224, 2336, 2780, 2920, 3197, 3358, 3680, 4448, 4672, 5560, 5840, 6394, 6716, 7360, 8395, 8896, 10147, 11120, 11680, 12788, 13432, 15985, 16790, 20294, 22240, 23360, 25576, 26864, 31970, 33580, 40588, 44480, 50735, 51152, 53728, 63940, 67160, 81176, 101470, 102304, 107456, 127880, 134320, 162352, 202940, 204608, 233381, 255760, 268640, 324704, 405880, 466762, 511520, 537280, 649408, 811760, 933524, 1023040, 1166905, 1623520, 1867048, 2333810, 3247040, 3734096, 4667620, 7468192, 9335240, 14936384, 18670480, 37340960, 74681920]

約数ペア:
[(1, 74681920), (2, 37340960), (4, 18670480), (5, 14936384), (8, 9335240), (10, 7468192), (16, 4667620), (20, 3734096), (23, 3247040), (32, 2333810), (40, 1867048), (46, 1623520), (64, 1166905), (73, 1023040), (80, 933524), (92, 811760), (115, 649408), (139, 537280), (146, 511520), (160, 466762), (184, 405880), (230, 324704), (278, 268640), (292, 255760), (320, 233381), (365, 204608), (368, 202940), (460, 162352), (556, 134320), (584, 127880), (695, 107456), (730, 102304), (736, 101470), (920, 81176), (1112, 67160), (1168, 63940), (1390, 53728), (1460, 51152), (1472, 50735), (1679, 44480), (1840, 40588), (2224, 33580), (2336, 31970), (2780, 26864), (2920, 25576), (3197, 23360), (3358, 22240), (3680, 20294), (4448, 16790), (4672, 15985), (5560, 13432), (5840, 12788), (6394, 11680), (6716, 11120), (7360, 10147), (8395, 8896)]

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