187815740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20023}}^1$

素因数の和:20106

約数の個数: 48

約数和(自身を含む): 457508352

約数和(自身を除く): 269692612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 20023, 40046, 80092, 100115, 140161, 200230, 280322, 400460, 560644, 700805, 1341541, 1401610, 2683082, 2803220, 5366164, 6707705, 9390787, 13415410, 18781574, 26830820, 37563148, 46953935, 93907870, 187815740]

約数ペア:

[(1, 187815740), (2, 93907870), (4, 46953935), (5, 37563148), (7, 26830820), (10, 18781574), (14, 13415410), (20, 9390787), (28, 6707705), (35, 5366164), (67, 2803220), (70, 2683082), (134, 1401610), (140, 1341541), (268, 700805), (335, 560644), (469, 400460), (670, 280322), (938, 200230), (1340, 140161), (1876, 100115), (2345, 80092), (4690, 40046), (9380, 20023)]