About the Number

1291293140

1291293139 ← → 1291293141

2進数表記:1001100111101111001000111010100

漢数字表記:十二億九千百二十九万三千百四十

素因数分解:

2 2 × 5 1 × 17 1 × 23 1 × 61 1 × 2707 1

素因数の和:2817
約数の個数: 96
約数和(自身を含む): 3046305024
約数和(自身を除く): 1755011884

約数列:
[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 61, 68, 85, 92, 115, 122, 170, 230, 244, 305, 340, 391, 460, 610, 782, 1037, 1220, 1403, 1564, 1955, 2074, 2707, 2806, 3910, 4148, 5185, 5414, 5612, 7015, 7820, 10370, 10828, 13535, 14030, 20740, 23851, 27070, 28060, 46019, 47702, 54140, 62261, 92038, 95404, 119255, 124522, 165127, 184076, 230095, 238510, 249044, 311305, 330254, 460190, 477020, 622610, 660508, 825635, 920380, 1058437, 1245220, 1651270, 2116874, 2807159, 3302540, 3797921, 4233748, 5292185, 5614318, 7595842, 10584370, 11228636, 14035795, 15191684, 18989605, 21168740, 28071590, 37979210, 56143180, 64564657, 75958420, 129129314, 258258628, 322823285, 645646570, 1291293140]

約数ペア:
[(1, 1291293140), (2, 645646570), (4, 322823285), (5, 258258628), (10, 129129314), (17, 75958420), (20, 64564657), (23, 56143180), (34, 37979210), (46, 28071590), (61, 21168740), (68, 18989605), (85, 15191684), (92, 14035795), (115, 11228636), (122, 10584370), (170, 7595842), (230, 5614318), (244, 5292185), (305, 4233748), (340, 3797921), (391, 3302540), (460, 2807159), (610, 2116874), (782, 1651270), (1037, 1245220), (1220, 1058437), (1403, 920380), (1564, 825635), (1955, 660508), (2074, 622610), (2707, 477020), (2806, 460190), (3910, 330254), (4148, 311305), (5185, 249044), (5414, 238510), (5612, 230095), (7015, 184076), (7820, 165127), (10370, 124522), (10828, 119255), (13535, 95404), (14030, 92038), (20740, 62261), (23851, 54140), (27070, 47702), (28060, 46019)]

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