2988891640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{44293}}^1$

素因数の和:44552

約数の個数: 64

約数和(自身を含む): 7717786560

約数和(自身を除く): 4728894920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 964, 1205, 1687, 1928, 2410, 3374, 4820, 6748, 8435, 9640, 13496, 16870, 33740, 44293, 67480, 88586, 177172, 221465, 310051, 354344, 442930, 620102, 885860, 1240204, 1550255, 1771720, 2480408, 3100510, 6201020, 10674613, 12402040, 21349226, 42698452, 53373065, 74722291, 85396904, 106746130, 149444582, 213492260, 298889164, 373611455, 426984520, 597778328, 747222910, 1494445820, 2988891640]

約数ペア:

[(1, 2988891640), (2, 1494445820), (4, 747222910), (5, 597778328), (7, 426984520), (8, 373611455), (10, 298889164), (14, 213492260), (20, 149444582), (28, 106746130), (35, 85396904), (40, 74722291), (56, 53373065), (70, 42698452), (140, 21349226), (241, 12402040), (280, 10674613), (482, 6201020), (964, 3100510), (1205, 2480408), (1687, 1771720), (1928, 1550255), (2410, 1240204), (3374, 885860), (4820, 620102), (6748, 442930), (8435, 354344), (9640, 310051), (13496, 221465), (16870, 177172), (33740, 88586), (44293, 67480)]