About the Number

129244640

129244639 ← → 129244641

2進数表記:111101101000001110111100000

漢数字表記:一億二千九百二十四万四千六百四十

素因数分解:

2 5 × 5 1 × 7 1 × 167 1 × 691 1

素因数の和:880
約数の個数: 96
約数和(自身を含む): 351558144
約数和(自身を除く): 222313504

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 167, 224, 280, 334, 560, 668, 691, 835, 1120, 1169, 1336, 1382, 1670, 2338, 2672, 2764, 3340, 3455, 4676, 4837, 5344, 5528, 5845, 6680, 6910, 9352, 9674, 11056, 11690, 13360, 13820, 18704, 19348, 22112, 23380, 24185, 26720, 27640, 37408, 38696, 46760, 48370, 55280, 77392, 93520, 96740, 110560, 115397, 154784, 187040, 193480, 230794, 386960, 461588, 576985, 773920, 807779, 923176, 1153970, 1615558, 1846352, 2307940, 3231116, 3692704, 4038895, 4615880, 6462232, 8077790, 9231760, 12924464, 16155580, 18463520, 25848928, 32311160, 64622320, 129244640]

約数ペア:
[(1, 129244640), (2, 64622320), (4, 32311160), (5, 25848928), (7, 18463520), (8, 16155580), (10, 12924464), (14, 9231760), (16, 8077790), (20, 6462232), (28, 4615880), (32, 4038895), (35, 3692704), (40, 3231116), (56, 2307940), (70, 1846352), (80, 1615558), (112, 1153970), (140, 923176), (160, 807779), (167, 773920), (224, 576985), (280, 461588), (334, 386960), (560, 230794), (668, 193480), (691, 187040), (835, 154784), (1120, 115397), (1169, 110560), (1336, 96740), (1382, 93520), (1670, 77392), (2338, 55280), (2672, 48370), (2764, 46760), (3340, 38696), (3455, 37408), (4676, 27640), (4837, 26720), (5344, 24185), (5528, 23380), (5845, 22112), (6680, 19348), (6910, 18704), (9352, 13820), (9674, 13360), (11056, 11690)]

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